Tinian Naval Base

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Tinian Naval Base
Pacific Ocean
Philippine Sea in United States
Map of Tinian 1945.jpg
Pacific Ocean laea location map.svg
Red pog.svg
Tinian Naval Base
Coordinates 15°00′N145°38′E / 15.000°N 145.633°E / 15.000; 145.633
Area10,122 hectares (25,010 acres)
Site history
Built by United States Navy
In use1944-1946
Garrison information
GarrisonAt peak 150,000 Troops in 1945

Tinian Naval Advanced Base was a major United States Navy sea and air base on Tinian Island, part of the Northern Mariana Islands on the east side of the Philippine Sea in the Pacific Ocean. The base was built during World War II to support bombers and patrol aircraft in the Pacific War. The main port was built at the city and port of San Jose, also called Tinian Harbor. All construction was carried out by the Navy's Seabees 6th Naval Construction Brigade, including the main two airfields: West Field and North Field United States Army Air Forces's long-range Boeing B-29 Superfortress bombers. The Navy disestablished the Tinian Naval Advanced Base on 1 December 1946.

Contents

Background

Tinian, the third of the three largest islands of the Mariana Islands, is located south of Saipan across the 3-mile-wide Saipan Channel. Tinian, north to south, is 12 miles long and east to west 6 miles wide. It has mostly flat terrain, perfect for runways. Along with the other Mariana Islands, Tinian was claimed for Spain by Ferdinand Magellan in 1521. Guam was seized by the United States in the Spanish-American War, and Spain sold the remaining islands to Germany. They were occupied by Japan during World War I and became part of Japan's South Seas Mandate. Japan developed Tinian into a large sugar plantation with a sugar refining plant, and built three small runways on the island. The civilian population was about 18,000 in 1941. [1]

Operation Forager involved the conquest of the Mariana Islands. It was intended that they would developed into a major naval base for the surface ships and submarines of the Pacific Fleet, as a staging and training area for ground troops, and as a base from which long-range Boeing B-29 Superfortress bombers could attack Japan. [2] American forces landed on Tinian on 24 July 1944, [3] and the island was declared secured on 1 August, although there were still many Japanese soldiers holding out in the caves on the southern end of the island. [4] At the time of the landing, there were three Japanese airfields on the island: two in the north, one with a runway 4,700 feet (1,400 m) long and the other 3,900 feet (1,200 m) long, and one in the west with a 4,000-foot (1,200 m) runway. There was also a small, incomplete airstrip in the center of the island. [5]

Construction

Early works

Responsibility for construction on Tinian was assigned to the 6th Naval Construction Brigade, under the command of Captain Paul J. Halloran. [6] His staff, along with that of the US Army's 64th Engineer Topographic Battalion, drew up plans for the development of Tinian at Pearl Harbor in the months leading up to Operation Forager. These called first for the rehabilitation of the Japanese airstrips in the north and west, then for them to be lengthened to 6,000 feet (1,800 m) in length so bombers could operate from them, and ultimately for their extension to 8,500 feet (2,600 m) for the B-29s. [7]

Seabee Vance Shoemate directs truckers to unload coral for B-29 bomber runway on Tinian. In the background is a fleet of trucks awaiting their turn for loads from the scoop shovel. Seabee directs truckers to unload coral for B-29 bomber runway on Tinian.jpg
Seabee Vance Shoemate directs truckers to unload coral for B-29 bomber runway on Tinian. In the background is a fleet of trucks awaiting their turn for loads from the scoop shovel.

For this work, Halloran had the 29th and 30th Naval Construction Regiments. [6] The former, under Commander Marvin Y. Neely, initially consisted of the 18th, 92nd and 107th Naval Construction Battalions, and the 1036th Naval Construction battalion Detachment; [8] the latter, under Commander Jonathan P. Falconer, the 67th, 110th and 121st Naval Construction Battalions. [9] A third regiment, the 49th Naval Construction Regiment, was formed on 2 March 1945 from the 9th, 38th, 110th and 112th Naval Construction Battalions, under Commander Thomas H. Jones. [6]

Elements of the 18th and 121st Naval Construction Battalions landed on Tinian with the assault troops on 24 July, with the remainder arriving on 27 July. That day, the 121st commenced the rehabilitation of the 47,000-foot (14,000 m) airstrip in the north, filling in the bomb and shell craters. By that evening, an airstrip 2,500 feet (760 m) long and 150 feet (46 m) wide was ready for use, and it was fully restored to its full length the next day. [10] On 29 July, a P-47 landed and took off again. [11] The 9th Troop Carrier Squadron was brought forward from Eniwetok, and its Douglas C-47 Skytrains, together with the Curtiss C-46 Commandos of VMR-252, delivered 33,000 rations from Saipan on 31 July. On the return trip they carried wounded to hospitals on Saipan. [12] [13]

Construction work on Tinian Harbor Construction work on Tinian Harbor.jpg
Construction work on Tinian Harbor

A third battalion, the 67th Naval Construction Battalion, arrived on 2 August. [14] With the island declared secure, the seabees were released from the control of the V Amphibious Corps to the 6th Naval Construction Brigade, which became operational on 3 August. [10] Additional naval construction battalions arrived over the following weeks and months: the 92nd from Saipan in August and September; [15] the 107th from Kwajalein on 12 September; [16] the 110th from Eniwetok in September and October; [17] the 13th and 135th on 24 October; [18] [19] the 50th on 19 November, [20] the 9th on 1 December, [21] and the 38th and 112th on 28 December. [22] [23]

The Seabees completed and extended the second Japanese airstrip in the north, which became North Field Strip No. 3 in September. They then rehabilitated the severely damaged airstrip in the west as a 4,000-foot (1,200 m) airstrip for fighter planes. Navy patrol planes commenced operations from the two North Field airstrips, but work to upgrade them to handle the B-29s could not be carried out while they were in use. A new 6,000-foot (1,800 m) runway was built in the west, which became known as West Field Strip No. 3. The airstrip was completed on 15 November. In addition to the runway, there were 16,000 feet (4,900 m) of taxiways, 70 hardstands, 345 Quonset huts, 33 repair and maintenance buildings, 7 magazines and a 75-foot (23 m) tall control tower. [24]

Airfields

Responsibility for the development of North Field was assigned to the 30th Naval Construction Regiment. Falconer divided the work into phases, and designated a battalion as the "lead" on each phase, with overall responsibility for the work in the phase, and the other battalions acting as subcontractors. The first phase, the extension of North Field Strip No. 1 to 8,500 feet (2,600 m), along with the construction of the necessary taxiways, hardstands and aprons, was assigned to the 121st Naval Construction Battalion. The work was completed nine days ahead of schedule, and the first B-29 landed on the completed airstrip on 22 December. The next phase was the extension of North Field Strip No. 3 to 8,500 feet (2,600 m). This work was undertaken by the 67th Naval Construction Battalion as the lead battalion, and was completed on a day ahead of schedule on 14 January 1945. The 13th Naval Construction Battalion became the lead on the third phase, the construction of North Field Strip No. 2, between and parallel to the other two runways. The final runway, parallel to the other three, was assigned to the 135th Naval Construction Battalion and was completed on 5 May 1945, five days ahead of schedule. All four strips were widened to 500 feet (150 m). [6] [25]

Tinian Island in 1945: the vast North Field airfield is in the foreground with West Field beyond; the rest of the island is filled with barracks, buildings, and hangars Tinian Airfields 1945 Looking North To South.jpg
Tinian Island in 1945: the vast North Field airfield is in the foreground with West Field beyond; the rest of the island is filled with barracks, buildings, and hangars

The task would have been easier if the plateau had been wider. As it was, the 7,000-foot (2,100 m) wide plateau required large amounts of fill. Another complicating factor was the decision to have the B-29 taxi under their own power instead of being towed reduced the maximum taxiway grade from 2+12 to 1+12 percent, and required another 500,000 cubic yards (380,000 m3) of earth to be removed. When work was completed on 5 May 1945, North Field had four parallel 8,500-foot (2,600 m) runways, 1,600 feet (490 m) apart, with 11 miles (18 km) of taxiways, 265 hardstands, 173 Quonset huts and 92 other buildings. [26] All runways and taxiways were paved with 2 inches (51 mm) of asphalt concrete over a base course of at least 6 inches (150 mm) of rolled coral on a subbase of pure coral. [27] Its construction involved 2,109,800 cubic yards (1,613,100 m3) of excavations and 4,789,400 cubic yards (3,661,800 m3) of fill. [26]

The 49th Naval Construction Regiment was assigned responsibility for the construction of the West Field airstrips. This new regiment began activities under a temporary title on 1 January 1945 before it was formally activated on 2 March. Work on West Field commenced on 1 February. Two parallel airstrips were developed, 1,600 feet (490 m) apart, each 8,500 feet (2,600 m) long and 500 feet (150 m) wide. The two runways, 53,000 feet (16,000 m) of taxiways, 220 hardstands and 251 administration, maintenance and repair buildings. Work on West Field Strip No. 2 was completed on 2 April and West Field Strip No. 1 followed on 20 April. [6] [26] The 9th Naval Construction Battalion detached from the 49th Naval Construction Regiment on 25 May under orders to move to Okinawa, and departed on 19 June, followed by the 112th, which was detached on 5 July and embarked three days later. The 49th Naval Construction Regiment was then absorbed by the 29th Naval Construction Regiment. [6] [21] [23]

Fuel

USS LST-886 and USS LST-945 unload fuel at Tinian USS LST-886 and USS LST-945 Tinian circa December 1944-September 1945.jpg
USS LST-886 and USS LST-945 unload fuel at Tinian

Initially, fuel had to be supplied in drums. Later, aviation gasoline was drawn from a barge known as YOGL anchored in Tinian Harbor. Tank farm construction commenced in September 1944 and on 3 November it became the responsibility of the 29th Naval Construction Regiment, with the 18th Naval Construction battalion as the lead battalion. The fuel storage and distribution system was completed by 8 March 1945. This included storage tanks for 14,000 US barrels (1,700,000 L) of diesel oil, 20,000 US barrels (2,400,000 L) of motor gasoline and 165,000 US barrels (19,700,000 L) of aviation gasoline. Fuel was pumped over a submarine pipeline from an oil tanker moored north of Tinian Harbor and distributed over 86,000 feet (26,000 m) of pipeline. Two dispensing points were provide at West Field and four at North Field. [27]

Harbor

Until work on the harbor was completed in March 1945, nearly cargo was brought ashore by landing craft mechanized (LCM) and landing craft tank (LCT). Cargo handling was supervised by the Army port superintendent, Major Gordon E. Soruton. Tinian Harbor became operational on 2 August 1944, with the 1036th Naval Construction Battalion Detachment, a two-company unit, unloading vessels into LCTs in the stream, which were unloaded on the beaches by Army and Marine work parties. [28] [29]

Tinian Harbor as completed in 1945 Tinian Harbor as completed in 1945.jpg
Tinian Harbor as completed in 1945

The half-strength 27th Naval Construction Battalion (Special) arrived on Tinian on 19 November 1944, and the 1036th Naval Construction Battalion Detachment took over on the beach while unloading in the stream was handled by the two companies of the 27th Naval Construction Battalion (Special) and the Army's 510th Port Battalion. The first three companies of its five companies arrived in November 1944. The beach work parties were relieved, and henceforth the three stevedore units handled all cargo. The 1036th Naval Construction Battalion Detachment was absorbed by the 27th Naval Construction Battalion (Special) on 20 January 1945. [28] [29]

Early works on the harbor were carried out by the 50th and 92nd Naval Construction Battalions, which drove 200 feet (61 m) of piling that eventually formed part of the south bulkhead, and by the 107th Naval Construction battalion, which built a 1,150-foot (350 m) ramp from the shore to the reef. In November 1944, the 50th Naval Construction Battalion commenced a major project to build permanent harbor facilities that could berth up to eight Liberty ships at a time. [29]

The new harbor consisted of a 600-foot (180 m) south bulkhead, a 2,000-foot (610 m) quay wall, and two 80-by-500-foot (24 by 152 m) piers parallel to the cargo ship bulkhead and connected to it by an 88-foot (27 m) causeway. A breakwater was built upon the existing reef consisting of 120 circular sheet piling cells that were 30 feet (9.1 m) in diameter and filled with coral. The task of dredging a 32-foot (9.8 m) deep channel and 28-foot (8.5 m) deep berths was undertaken by the 31st Naval Construction Battalion, which was part of Service Squadron 12. Dredging was completed on 20 January 1945, and the harbor works were completed on 6 March. [29]

Other facilities

First Ordnance Squadron area on Tinian 1st Ordnance Squadron.jpg
First Ordnance Squadron area on Tinian

The Japanese roads on the island were too narrow for heavy construction vehicles, had inadequate drainage, and lacked shoulders. They were resurfaced with 8 inches (200 mm) of pit coral, and drainage and shoulders were added. Due to the shape of the island and the grid layout of its roads bearing a resemblance to those of Manhattan, the streets were named after those of New York City. The Japanese town of Sunharon became known as the Village because its location corresponded to that of Greenwich Village, and the open area between North and West Fields became known as Central Park. Another 34 miles (55 km) of new roads were built, with 22-foot (6.7 m) roadways and 3-foot (0.91 m) shoulders. [30] [31]

Accommodation was constructed for 12,000 Seabees, 13,000 other navy personnel, and 21,500 Army personnel. A 100-bed tent hospital was erected in September 1944. The 600-bed Navy Base Hospital 19 opened in December. It was subsequently upgraded to a 1,000-bed hospital. The Army's 600-bed 374th Station Hospital opened in March 1945, and the 1,000-bed 48th Station Hospital hospital in June on the camp site of the 135th Naval Construction Battalion after it moved to Okinawa. In August, the 4,000-bed 821st Hospital Center on the South Plateau was under nearing completion. [32] [33]

Personnel living quarters, West Field, 1945, built by Seabees West Field - Containment Area.jpg
Personnel living quarters, West Field, 1945, built by Seabees

The 18th Naval Construction Battalion handled construction of the Marine Corps's 7th Field Depot, which was subsequently converted to a quartermaster depot for the Army garrison. When complete, it consisted of three camp sites with 386,000 square feet (35,900 m2) of warehouse storage, 2,000,000 square feet (190,000 m2) of open air storage and 63,000 cubic feet (1,800 m3) of refrigerated storage. The naval supply depot had 16,000 square feet (1,500 m2) of warehouse storage. Construction of an ammunition storage dump commenced in September 1944. On completion in February 1945, it had 254 25-by-75-foot (7.6 by 22.9 m) revetments with coral surfaces and 14 miles (23 km) of roads. Work on a bomb dump with 468 revetments commenced in January 1945, and was completed by the middle of the year. To support Operation Starvation, the aerial mining campaign against Japan, an aerial mining depot was built with Quonset hut magazines surrounded by revetments. [32]

Tinian's porous coral soil provides good drainage, so there are no rivers or creeks on the island, and only one small fresh-water lake, Hagoi (whose name means "lake" in the Chamorro language). [34] [35] However, the annual rainfall is more than 100 inches (2,500 mm), so the Japanese developed a system of wells and reservoirs.This was rehabilitated by the Seabees, who sunk 17 new wells. Initially water was rationed to 20 US gallons (76 L) per man per day, but eventually a water supply system was developed with a capacity of 1,800,000 US gallons (6,800,000 L) per day, and water rationing was no longer required. [35]

Operations

US Navy Patrol Wings used PB4Y-1, PB4Y-2, P4M-1 and PV-1 aircraft to patrol from Tinian airfields. Fleet Air Wing Eighteen, a Navy Patrol Wing moved its headquarters to Tinian on 25 May 1945. [36] Bombing Squadron 102 (VB-2) began patrols from Tinian on 2 August 1944, [37] Patrol Bombing Squadron 111 (VPB-111) on 1 December, [38] Patrol Bombing Squadron 108 (VPB-108) on 4 April 1945, [39] Patrol Bombing Squadron 123 (VPB-123) on 25 May, [39] and Patrol Squadron 1 (VP-1) on 21 June. [40]

Left to right: Big Stink, The Great Artiste, and Enola Gay parked next to a North Field runway Agnew HiroshimaAircraft.jpg
Left to right: Big Stink , The Great Artiste , and Enola Gay parked next to a North Field runway

North Field became operational in February 1945 and West Field the following month. [41] The 313th Bombardment Wing arrived from the United States in December 1944 and was based at North Field. The 58th Bombardment Wing arrived from the China-Burma-India Theater in March 1945 and was based at West Field. [42] [43] Thus, two of the five bombardment wings of the Twentieth Air Force were based on Tinian. [42] [43] A third formation, the 509th Composite Group, arrived in May 1945 and moved to the Columbia University district, south of 125th Street and adjacent to Riverside Drive, near the strips and hardstands of North Field, and took over the area that had been specially constructed for it. [44]

These formations participated in the campaign of air raids on Japan, including the bombing of Tokyo on 10 March 1945, [45] and the atomic bombings of Hiroshima and Nagasaki on 6 and 9 August 1945. [46] Altogether, 29,000 missions were flown by Tinian-based aircraft, and 157,000 short tons (142,000 t) of bombs were dropped. [47]

A series of Japanese air attacks on the Mariana Islands were mounted between November 1944 and February 1945 destroyed 11 B-29s, caused major damage to 8 and minor damage to another 35. American casualties were 45 dead and over 200 wounded. USAAF fighters and anti-aircraft guns downed about 37 Japanese aircraft during these raids. [48]

Camp Churo

Camp Churo was an internment camp for Tinian civilians founded by the 4th Marine Division on the site of the ruined village of Churo. It was chosen as a permanent camp site, and all the civilians on Tinian were subsequently concentrated there. [49] On 16 August 1945, there were 11,465 internees in Camp Churo. [50] Major General James L. Underhill was appointed Island Commander on 1 August 1944. Nine days later, all forces on Tinian were transferred to his command. [51] [52] He was succeeded by Brigadier General Frederick V. H. Kimble on 28 November 1944. [53]

People held at camp Churo [50]
NationalityMenWomenChildren
under 16
Total
Japanese2,7642,1264,2009,090
Korean9054519852,371
Chinese1214
Total3,6702,5795,18611,465

The military government was unprepared to cater for the large number of civilians, and there were critical shortages of relief supplies of all kinds. [54] Seabees supervised the erection of tarpaulin shelters. These were gradually replaced by huts made from corrugated iron and timber salvaged from around the island. The internees also salvaged food supplies, and cultivated gardens. When firewood started to become scarce, Seabees made them improvised diesel stoves. [55]

Some of the first camp administrators were Japanese language experts, including one who was born in Japan, so they were familiar with the internees' language and customs. The administrators responsible for public safety, education and labor had their offices inside the camp, and so were approachable. The administrators met with each other at weekly staff meetings, ate their meals together in the common mess hall, and socialized at the officers' club, where African-American sailors waited on them. [56]

There were separate Japanese and Korean camps within the camp. The Japanese camp was further divided into nine ku, each with about 1,000 residents, and the Korean one into three ku, each of about 800 residents. Initially they were run by officials appointed by the administration but on 26 July 1945, elections were held. Voter turnout was high: 87 percent of the Japanese and 91 percent of the Koreans voted. Ten officials were elected to the council by the camp Japanese camp at large, and then one was elected sodai (mayor) and the others became kucho. This mirrored the organization of a typical Japanese village. Within each ku there were 15 or 20-by-150-foot (6.1 by 45.7 m) huts called bakusha that were subdivided into ten 10-by-15-foot (3.0 by 4.6 m) dwellings. Each hut housed about 80 people, and there was a leader called a bakushacho. The bakusha were gradually supplemented by other dwellings but the organization remained. Japanese bakushacho were paid $5 a month by the residents; the Koreans paid theirs $3 to $5 depending on the size of the hut. [56] Houses were constructed from whatever materials the residents could salvage, mostly corrugated iron and timber from dunnage. [57] [58]

Staff Sergeant Frederico Claveria gives candy to an interned child Marine Shares A Treat, 1944 (7610805780).jpg
Staff Sergeant Frederico Claveria gives candy to an interned child

Camp residents were given two meals a day, with the offer to work for pay and extra food. [59] Pay for skilled male workers was 50 cents per eight-hour day; unskilled workers got 35 cents, and women and children 25 cents. [60] Rice and beans were staples, supplemented with canned meat, and fresh fish and vegetables. The ration included two staples of the Japanese diet, miso and shoyu. The miso was made from U.S. Navy beans in the camp miso factory and distributed to the ku kitchens (suiji). Yeast ( kōji was obtained from Japanese stocks found in caves. Boilers to make the shoyu were salvaged from the Tinian sugar mill. Meals were cooked in the suiji; no cooking was permitted in the huts for fear of a fire. The camp had crops and gardens growing fresh produce. [59] Fish was caught during the April through September fishing season, but had to be eaten straight away, because the camp had no facilities for storing it. [61] The water supply came from Lake Hagoi. Cisterns that had been used as pillboxes were refurbished and had a capacity of 273,000 US gallons (1,030,000 L). [62]

A school for the children was opened on 1 November 1944 by two graduates of the Navy language school at the University of Colorado in Boulder. Eighteen experienced Japanese teachers were found to revise and write texts, but were not permitted to teach. Buildings were provided by the military government administration. [63] [64] Attendance was voluntary. Schooling was provided in eight grades, six days per week and nine months per year. [65] The curriculum included English, but not Japanese. [66] The school had a library, but all the books were in English. Boy and Girl Scout organizations were established. The education section of the military government operated a movie theater in the school auditorium some evenings that showed United States Office of War Information (OWI) films, and occasionally feature films. It was attended by 5,000 to 8,000 people. As they were in English, a translator had to explain to the audience what was going on. [67] [68]

A market place was established, with barber shops, a Korean shoe repair shop and Japanese handicraft shops. Prices were fixed by the military government. They could not sell goods to military personnel directly, but could sell to a post exchange (PX). [69] The Navy also operated the 100-bed Naval Military Government Hospital No. 204 in the camp; 8 officers and 96 enlisted personnel were assigned to it. [70]

In late 1945, Admiral Raymond A. Spruance, the Commander-in-Chief, Pacific Ocean Areas (CINCPOA), ordered the repatriation of all Japanese and Korean civilians. This was completed by late 1946, and Camp Churo was closed. [71]

Post World War II

Seabees of Naval Mobile Construction Battalion 3 perform roadwork in 2020 Tinian Road Construction (50489228911).jpg
Seabees of Naval Mobile Construction Battalion 3 perform roadwork in 2020

In 1947 Tinian was transferred from the U.S. Navy to the Trust Territory of the Pacific Islands, a territory controlled by the United States. [72] In 1962, Tinian was transferred to the administration of Saipan as a sub-district. In 1978, it became a municipality in the Commonwealth of the Northern Mariana Islands. West Field became part of Tinian International Airport. North Field was abandoned and fell into disrepair. Part became the National Historic Landmark District. The two bomb pits used to load the Little Boy and Fat Man bombs are enclosed with glazed panels. [73]

The Navy disestablished the naval advanced base on Tinian on 1 December 1946, [74] but the United States military remained on the island. A fifty-year, 16,100-acre (6,500 ha) lease agreement was signed in 1983, under which the land became the Military Lease Area (MLA). The agreement gave the U.S. Department of Defense the option of extending the lease by another fifty years. [72]

An F-22 Raptor takes off from Tinian F-22 Raptor takes off from Tinian.jpg
An F-22 Raptor takes off from Tinian

The U.S. Navy used most of the land area for training exercises at Camp Tinian, a small mostly mobile camp. As part of the lease in the 1980s, one runway at North Field was reactivated so U.S. Air Force Lockheed C-130 Hercules transports could support of U.S. Marine Corps training exercises. [75] In 2023, concerns that U.S. air bases in Japan and Guam would be vulnerable to cruise and ballistic missiles if the U.S. was drawn into a conflict with China led to Tinian being reactivated as an alternative base. [76]

The National Defense Authorization Act included $26 million for airfield development, $20 million for fuel tanks, $32 million for parking aprons, $46 million for cargo pad and taxiway extension and $4.7 million for a maintenance and support facility on Tinian in 2024. [77] The U.S. Air Force's Rapid Engineer Deployable Heavy Operational Repair Squadron Engineers (RED HORSE) began clearing the overgrown old runways and access roads, [78] and on 11 April 2024, it was announced that Fluor Corporation had been awarded a $409 million contract to rebuild the airbase at North Field. [79]

Historical markers

No. 1 Bomb Loading Pit Historical marker at North Field No. 1 Atomic Bomb loading pit, North Field (Tinian), 27 August 2008.jpg
No. 1 Bomb Loading Pit Historical marker at North Field
Japanese Peace Memorial Japanese Peace Memorial - Tinian - panoramio (1).jpg
Japanese Peace Memorial

See also

Notes

  1. Morison 1953, pp. 149–154.
  2. Morison 1953, p. 341.
  3. Morison 1953, pp. 360–364.
  4. Morison 1953, p. 369.
  5. Building the Navy's Bases 1947, p. 358.
  6. 1 2 3 4 5 6 "6th Naval Construction Brigade Log: Task on Tinian" (PDF). United States Navy Seabee Museum. Retrieved 22 March 2024.
  7. Building the Navy's Bases 1947, p. 360.
  8. "29th Naval Construction Regiment" (PDF). United States Navy Seabee Museum. Retrieved 8 April 2024.
  9. "30th Naval Construction Regiment" (PDF). United States Navy Seabee Museum. Retrieved 8 April 2024.
  10. 1 2 Building the Navy's Bases 1947, p. 359.
  11. Shaw, Nalty & Turnbladh 1994, p. 398.
  12. Hoffman 1951, p. 93.
  13. Shaw, Nalty & Turnbladh 1994, p. 403.
  14. "67th Naval Construction Battalion" (PDF). United States Navy Seabee Museum. Retrieved 8 April 2024.
  15. "92d Naval Construction Battalion" (PDF). United States Navy Seabee Museum. Retrieved 8 April 2024.
  16. "107th Naval Construction Battalion" (PDF). United States Navy Seabee Museum. Retrieved 8 April 2024.
  17. "110th Naval Construction Battalion" (PDF). United States Navy Seabee Museum. Retrieved 8 April 2024.
  18. "13th Naval Construction Battalion" (PDF). United States Navy Seabee Museum. Retrieved 8 April 2024.
  19. "135th Naval Construction Battalion" (PDF). United States Navy Seabee Museum. Retrieved 8 April 2024.
  20. "50th Naval Construction Battalion" (PDF). United States Navy Seabee Museum. Retrieved 8 April 2024.
  21. 1 2 "9th Naval Construction Battalion" (PDF). United States Navy Seabee Museum. Retrieved 8 April 2024.
  22. "38th Naval Construction Battalion" (PDF). United States Navy Seabee Museum. Retrieved 8 April 2024.
  23. 1 2 "112th Naval Construction Battalion" (PDF). United States Navy Seabee Museum. Retrieved 8 April 2024.
  24. Building the Navy's Bases 1947, pp. 360–361.
  25. Building the Navy's Bases 1947, pp. 360–362.
  26. 1 2 3 Building the Navy's Bases 1947, p. 362.
  27. 1 2 Building the Navy's Bases 1947, p. 365.
  28. 1 2 "1036th Naval Construction Battalion Detachment" (PDF). United States Navy Seabee Museum. Retrieved 8 April 2024.
  29. 1 2 3 4 Building the Navy's Bases 1947, pp. 366–367.
  30. Building the Navy's Bases 1947, pp. 367–368.
  31. Carlson, Jen (29 July 2015). "These NYC Streets Are Located In The Middle Of The Pacific Ocean" . Gothamist. Retrieved 12 April 2024.
  32. 1 2 Building the Navy's Bases 1947, p. 368.
  33. "WW2 Military Hospitals". WW2 US Medical Research Centre. Retrieved 13 April 2024.
  34. "CNMI seeks protection of Hagoi". Saipan Tribune. 21 June 1999. Retrieved 12 April 2024.
  35. 1 2 Building the Navy's Bases 1947, p. 369.
  36. Roberts 2000, p. 807.
  37. Roberts 2000, p. 135.
  38. Roberts 2000, p. 124.
  39. 1 2 Roberts 2000, p. 186.
  40. Roberts 2000, p. 18.
  41. Rottman & Gerrard 2004, p. 89.
  42. 1 2 Cate 1953, p. 166.
  43. 1 2 Taylor et al. 1953, pp. 519–525.
  44. Taylor et al. 1953, p. 707.
  45. Taylor et al. 1953, pp. 614–617.
  46. Taylor et al. 1953, pp. 713–725.
  47. Richard 1957, p. 148.
  48. Taylor et al. 1953, pp. 581–582.
  49. Richard 1957, p. 537.
  50. 1 2 Embree & Huston 1946, p. 22.
  51. Hoffman 1951, p. 140.
  52. Richard 1957, p. 535.
  53. Richard 1957, p. 539.
  54. Astroth 2019, pp. 153–155.
  55. Building the Navy's Bases 1947, pp. 369–370.
  56. 1 2 Embree & Huston 1946, pp. 22–24.
  57. Embree & Huston 1946, pp. 25–26.
  58. Richard 1957, pp. 556–557.
  59. 1 2 Embree & Huston 1946, p. 25.
  60. Embree & Huston 1946, p. 15.
  61. Embree & Huston 1946, p. 7.
  62. Richard 1957, p. 564.
  63. Embree & Huston 1946, p. 29.
  64. Richard 1957, p. 575.
  65. Richard 1957, p. 494.
  66. Richard 1957, p. 495.
  67. Embree & Huston 1946, p. 30.
  68. Richard 1957, pp. 575–576.
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<span class="mw-page-title-main">Seabee</span> Member of the US Naval Construction Forces

United States Naval Construction Battalions, better known as the Navy Seabees, form the U.S. Naval Construction Forces (NCF). The Seabee nickname is a heterograph of the initial letters "CB" from the words "Construction Battalion". Depending upon context, "Seabee" can refer to all enlisted personnel in the USN's occupational field 7 (OF-7), all personnel in the Naval Construction Force (NCF), or Construction Battalion. Seabees serve both in and outside the NCF. During World War II they were plank-holders of both the Naval Combat Demolition Units and the Underwater Demolition Teams (UDTs). The men in the NCF considered these units to be "Seabee". In addition, Seabees served as elements of Cubs, Lions, Acorns and the United States Marine Corps. They also provided the manpower for the top secret CWS Flame Tank Group. Today the Seabees have many special task assignments starting with Camp David and the Naval Support Unit at the Department of State. Seabees serve under both Commanders of the Naval Surface Forces Atlantic/Pacific fleets as well as on many base Public Works and USN diving commands.

<span class="mw-page-title-main">Battle of Tinian</span> 1944 World War II battle between the United States and Japan

The Battle of Tinian was part of the Pacific campaign of World War II. It was fought between the United States and Japan on the island of Tinian in the Mariana Islands from 24 July until 1 August 1944. The battle saw napalm used for the first time.

<span class="mw-page-title-main">Seabees in World War II</span> Military unit

When World War II broke out the United States Naval Construction Battalions (Seabees) did not exist. The logistics of a two theater war were daunting to conceive. Rear Admiral Moreell completely understood the issues. What needed to be done was build staging bases to take the war to the enemy, across both oceans, and create the construction force to do the work. Naval Construction Battalions were first conceived at Bureau of Yards and Docks (BuDocks) in the 1930s. The onset of hostilities clarified to Radm. Moreell the need for developing advance bases to project American power. The solution: tap the vast pool of skilled labor in the U.S. Put it in uniform to build anything, anywhere under any conditions and get the Marine Corps to train it. The first volunteers came skilled. To obtain these tradesmen, military age was waived to age 50. It was later found that several past 60 had managed to get in. Men were given advanced rank/pay based upon experience making the Seabees the highest paid group in the U.S. military. The first 60 battalions had an average age of 37.

<span class="mw-page-title-main">North Field (Tinian)</span> Former World War II airfield on Tinian in the Mariana Islands

North Field was a World War II airfield on Tinian in the Mariana Islands. Abandoned after the war, today North Field is a tourist attraction. Along with several adjacent beaches on which U.S. Marines landed during the Battle of Tinian, the airfield is the major component of the National Historic Landmark District Tinian Landing Beaches, Ushi Point Field, Tinian Island.

<span class="mw-page-title-main">Marpi Point Field</span>

Marpi Point Field or NAB Marpi Point is a former World War II airfield at the northern end of Saipan in the Northern Mariana Islands. The airfield was vacated by the United States in 1962; it is currently unused and overgrown.

<span class="mw-page-title-main">US Naval Advance Bases</span> Overseas US Naval Bases

US Naval Advance Bases were built globally by the United States Navy during World War II to support and project U.S. naval operations worldwide. A few were built on Allied soil, but most were captured enemy facilities or completely new. Advance bases provided the fleet with support to keep ships tactically available with repair and supply depots of facilities, rather than return them to the continental United States. Before Japan declared war on the United States the U.S. Navy had a single fleet-sized advanced base in the Territory of Hawaii at Naval Station Pearl Harbor. During the war the U.S. Navy Seabees built over 400 advance bases categorized by size. Naval bases were either Lions or Cubs while airfields were either Oaks or Acorns. Lions and Oaks were major facilities while Cubs and Acorns were minor. PT Boats typically would get a Cub and airfields with single runways were Acorns. The larger bases could provide refueling and overhaul; loading of troopship and cargo ships; and preparing amphibious assault ships. Some became major repair depots. The Seabees developed auxiliary floating drydocks were able to repair battle damage and do regular maintenance in the field saving ships trans-pacific trips for repair. A few bases also were developed to be R and R for all U.S. personnel. Most Advance Bases were built by the US Navy's Seabees in Naval Construction Battalions (CBs). At the start of the war civilian contractors were employed in construction. The Seabees in World War II built most of the airfields used by the United States Army Air Forces and United States Marine Corps, as they had the ships and cranes needed to transport the vast amount of equipment needed at the advance bases. The US Army and United States Coast Guard also operated out of many of these facilities. Seabees could build new or repair damaged runways, and with advancements in heavy bomber technology lengthen runways as needed. A few Naval Advance Bases were built for the Korean War and Vietnam War.

<span class="mw-page-title-main">Naval Advance Base Saipan</span> World War II base

Naval Base Saipan or Naval Advance Base Saipan or Naval Air Base Saipan was a United States Navy Naval base built during World War II to support Pacific Ocean theater of war and the many warships and troops fighting the war. The base was on the island of Saipan in the Northern Mariana Islands. The base was part of the Pacific island hopping campaign. The base construction started after the Battle of Saipan ended on July 9, 1944. US Naval Advance Base Saipan was constructed by the Seabees Naval Mobile Construction Battalions. The base was under the Commander Naval Forces Marianas. Saipan is 12 miles (19 km) long and 5 miles (8.0 km) wide. About 70% of the island was sugarcane cultivation at the start of the base construction. At the start of the Battle of Saipan, the island's population had about 30,000 Japanese troops and about 20,000 Japanese civilians. The city of Garapan was the administrative center for the Saipan governmental district.

<span class="mw-page-title-main">Naval Base Peleliu</span> Major World War 2 base

Peleliu Naval Base was a major United States Navy sea and airbase base on Peleliu island, one of sixteen states of Palau. The United States Marine Corps took the island in the Battle of Peleliu during World War II. Battle of Peleliu was a costly conflict that started September 15, 1944, and ended November 27, 1944. On September 30, 1944, Peleliu is declared occupied. The taking of Peleliu and Morotai gave the sea and air protection needed for the later invasion of the Philippines. US Navy Seabee built a number of facilities at Peleliu Naval Base.

<span class="mw-page-title-main">Naval Base Iwo Jima</span> US Navy Base on Japanese Volcano Iwo Jima

Naval Base Iwo Jima was a naval base built by United States Navy on the Japanese Volcano Island of Iwo Jima during and after the Battle of Iwo Jima, that started on February 19, 1945. The naval base was built to support the landings on Iwo Jima; the troops fighting on Iwo Jima; and the repair and expansion of the airfields on Iwo Jima. United States Navy Seabee built all the facilities on the island.

<span class="mw-page-title-main">Naval Base Okinawa</span> United States military facilities in Okinawa Island, Japan

Naval Base Okinawa, now Naval Facility Okinawa, is a number of bases built after the Battle of Okinawa by United States Navy on Okinawa Island, Japan. The naval bases were built to support the landings on Okinawa on April 1, 1945, and the troops fighting on Okinawa. The Navy repaired and did expansion of the airfields on Okinawa. United States Navy Seabees built or repaired the facilities on the island. The bases on Okinawa put the United States Armed Forces only 350 miles from Japan's home islands. Most facilities closed after the war, but some are still in use today by all branches of the United States Armed Forces.

<span class="mw-page-title-main">Naval Base Manus</span> Major US Navy Base on Manus Island, Papua New Guinea

Manus Naval Base was a number of bases built after the World War II Battle of Manus by United States Navy on the Manus Island and a smaller island just east, Los Negros Island in the Admiralty Islands chain. The major naval base construction started with the Los Negros landings on February 28, 1944. The Navy repaired and did the expansion of the airfields on the Admiralty Islands. United States Navy Seabee built or repaired the facilities on the islands. The large Manus Naval Base, also called the Admiralty Island base, supported United States Seventh Fleet, Southwest Pacific command, and part of the Pacific Fleet. The base was abandoned by the US Navy after the war.

<span class="mw-page-title-main">Naval Base Merauke</span> Major World War 2 base in New Guinea

Naval Base Merauke was a United States Navy base built during World War II at city of Merauke in the South Papua province of Indonesia, then Dutch New Guinea. The base was 2 miles from the mouth of the Merauke River. The US Navy built a PT boat base and base dock with anchorage to support the Pacific War and the New Guinea campaign.

<span class="mw-page-title-main">Naval Base Woodlark Island</span> World War 2 base in New Guinea

Naval Base Woodlark Island was a United States Navy base built during World War II on Woodlark Island on Papua New Guinea. The US Navy built a PT boat base, boat repair depot, and harbor facilities at the city of Guasopa to support the Pacific War in 1943. The Harbor facilities was also built to support the US Navy in building the Narewa Airfield on the island. The base was part of the New Guinea campaign.

<span class="mw-page-title-main">Naval Base Finschhafen</span> World War 2 base in New Guinea

Naval Base Finschhafen was a United States Navy base built during World War II at Finschhafen on the Huon Peninsula in Morobe Province of Papua New Guinea. The US Navy built a PT boat base, Dreger Harbor PT Boat Base, boat repair depot, and harbor facilities at Dreger Harbour and Langemak Bay to support the Pacific War in 1943. Harbor was also built to support the US Navy in building 6,000-foot Finschafen Airfield, also called Dreger Field, now Finschhafen Airport on the island. The base was part of the New Guinea campaign.

<span class="mw-page-title-main">Naval Base Puerto Princesa</span> Major World War 2 base

Naval Base Puerto Princesa, Naval Base Palawan, was a United States Navy base built during World War II at Puerto Princesa on Palawan Island, Philippines, after the Invasion of Palawan on February 28, 1945. Puerto Princesa Bay offered an excellent base for fleet anchorage. At the naval base, US Navy Seabees built: a seaplane base, carrier aircraft fighter plane repair depot, land airfield and other base facilities.

<span class="mw-page-title-main">Naval Base Upolu</span> Naval base in United States

Naval Base Upolu was a naval base built by the United States Navy in 1942 to support the World War II effort. The base was located on Upolu Island, Samoa in the Western Pacific Ocean, part of the Samoan Islands's Naval Base Samoa. After the surprise attack on Naval Station Pearl Harbor on December 7, 1941, the US Navy was in need of setting up more advance bases in the Pacific Ocean. At Naval Base Upolu the Navy built a sea port, an airbase and a seaplane base.

<span class="mw-page-title-main">Naval Base Tarawa</span> Former Naval base of the United States

Naval Base Tarawa was a naval base built by the United States Navy in 1943 to support the World War II effort. The base was located on Tarawa atoll in the Gilbert Islands in the Central Pacific Ocean. The base was built as one of many advance bases in the island-hopping campaign towards the Empire of Japan. At Naval Base Tarawa the Navy built a seaport, seaplane base and two airbases. Construction started after the Battle of Tarawa ended November 23, 1943, part of Operation Galvanic.

<span class="mw-page-title-main">Naval Base Abemama</span> Former naval base of the United States

Naval Base Abemama was a naval base built by the United States Navy in 1943 to support the World War II effort. The base was located on Abemama atoll, also called Hopper Atoll, in the Gilbert Islands in the Central Pacific Ocean. The base was built as one of many advance bases in the island-hopping campaign towards the Empire of Japan. At Naval Base Abemama the Navy built a seaport and airbase. Construction started after the Battle of Abemama ended November 24, 1943, part of Operation Galvanic.

<span class="mw-page-title-main">Naval Base Majuro</span> Main World War II Naval Base in Marshall Islands

Naval Base Majuro was a major United States Navy base built on Majuro Atoll, in the Marshall Islands to support the World War II efforts in the Pacific War. The base was built after the Battle of Majuro-Kwajalein ended 3 February 1944. Majuro was found to be unoccupied and abandoned when the United States Army arrived. The US Navy built airfields, a seaport, and other facilities on the captured islands. The base was part of the vast Naval Base Marshall Islands.

<span class="mw-page-title-main">US Naval Base Marianas</span> Base World War II bases in the Mariana Islands

US Naval Base Marianas was a number of United States Navy bases in the Mariana Islands in the Pacific Ocean's Micronesia. Most were built by the US Navy Seabees, Naval Construction Battalions, during World War II. Naval Base Guam was lost to the Empire of Japan during the Battle of Guam in December 1941. Guam was retaken by United States Armed Forces on July 21, 1944, now also known as Liberation Day. Naval Station Guam was founded on August 7, 1899, after Spain lost the Spanish–American War.

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