History | |
---|---|
United States | |
Name | ABSD-6 - (AFDB-6) |
Builder | Mare Island Naval Shipyard in Vallejo, California |
Laid down | 1943-1943 |
Launched | 1943 |
Acquired | December of 1944 |
Commissioned | 28 September 1944 |
Decommissioned | January of 1947 |
Out of service | 29 June 1946 |
Reclassified | AFDB-6 (Large Auxiliary Floating Dry Dock) |
Honours and awards | American Campaign Medal Asiatic-Pacific Campaign Medal World War II Victory Medal |
Fate | Scrapped 1 January 1976 |
General characteristics | |
Type | Advance Base Sectional Drydock |
Displacement | 30,800 long tons (31,294 t) |
Length | 844 ft 3 in (257.33 m) with nine selections (A-G) |
Beam | 246 ft 5 in (75.11 m) |
Draft | 8 ft 8 in (2.64 m) |
Propulsion | None |
Complement | 22 officers and 471 enlisted men |
Armament |
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ABSD-6 is an advanced base sectional dock which was constructed of nine advance base docks (ABD) sections for the US Navy as an auxiliary floating drydock for World War II. ABSD-6 was built by Mare Island Naval Shipyard at Vallejo, California. ABSD-6 was commissioned on 28 September 1944. Advance Base Sectional Dock-6 (Auxiliary Floating Dock Big-6) was constructed in sections during 1942 and 1943. Each section are 3,850 tons and are 93 feet long each. Each Section had a 165 feet beam, a 75 feet molded depth and had 10,000 tons lifting capacity each. There were 4 ballast compartments in each section. With all nine sections joined, she was 825 feet long, 28 feet tall (keel to welldeck), and with an inside clear width of 133 feet 7 inches. ABSD-2 had a traveling 15-ton capacity crane with an 85-foot radius and two or more support barges. The two side walls were folded down under tow to reduce wind resistance and lower the center of gravity. ABSD-6 had 6 capstans for pulling, each rated at 24,000 lbf (110,000 N) at 30 ft/min (0.15 m/s), 4 of the capstans were reversible. [1] [2] [3] [4] [5]
Commissioned as USS ABSD-6 on 28 September 1944, ABSD-6 was assigned to the Asiatic-Pacific Theater. ABSD-6 was towed in sections to the Naval Base Guam at Apra Harbor in Guam, Marianas Islands. After assembling she was placed in service to repair ships at Guam with her sister ship USS ABSD-3. On an island in the harbor at Guam the Navy built a base to support the crew of ABSD-6 and ABSD-3. At the base were supplies, movie theater, mess hall, Officers Clubs, movie theater, and Enlisted club and more. The base was built mostly with quonset huts. The largest repairs at Guam was that of the battleship USS South Dakota (BB-57) in May 1945. South Dakota was in need of drydock repairs after an accidental explosion on 6 May 1945 while South Dakota was rearming from USS Wrangell. South Dakota was at Guam with ABSD-6 from 11 to 29 May 1945. Due to South Dakota's 36.3 ft (11.1 m) draft with a full load, the battleship had to unload much of her ammunition and fuel oil before entering AFDB-6. Another large ship repaired and painted was USS Makin Island, a 7,800-ton Casablanca-class escort carrier. Able to lift 90,000 tons ABSD-6 could raise large ships like, aircraft carriers, battleships, cruisers, and large auxiliary ships, out the water for repair below the ship's waterline. She was also used to repair multiple smaller ships at the same time. Ships in continuous use during war need repair both from wear and from war damage from naval mine and torpedoes. Rudders and propellers are best serviced on dry docks. Without ABSD-6 and her sister ships, at remote locations months could be lost in a ships returning to a home port for repair. ABSD-6 had power stations, ballast pumps, repair shops, machine shops, and could be self-sustaining. ABSD-6 had two rail track moveable cranes able to lift tons of material and parts for removing damage parts and install new parts. Some of the ships repaired by ABSD-6 at Guam:
ABSD-6 was decommissioned on 29 June 1946 and laid up in the US Navy Reserve Fleet. ABSD-6 was re-designated Large Auxiliary Floating Dry Dock AFDB-6. AFDB-6 was sold for scrap on 1 January 1976 by the Defense Reutilization and Marketing Service. [9] [2] [4]
Seeadler Harbor, also known as Port Seeadler, is located on Manus Island, Admiralty Islands, Papua New Guinea and played an important role in World War II. In German, "Seeadler" means sea eagle, pointing to German colonial activity between 1884 and 1919 in that area. The bay was named in 1900 after the German cruiser SMS Seeadler.
The third USS Ability (AFD-7/AFDL-7) was a small auxiliary floating drydock in the service of the United States Navy.
ABSD-7, an advanced base sectional dock, was constructed of seven advance base docks (ABD) as follows: ABD-37, ABD-38, ABD-39, and ABD-40 were built by Chicago Bridge & Iron Company, Morgan City, Louisiana, and completed in December 1944 and January and February 1945; ABD-51 and ABD-52 were built by Pollock-Stockton Shipbuilding Company, Stockton, California, and completed in January and March 1945; and ABD-58 was built by Pittsburgh-Des Moines Steel Co., Pittsburgh, Pennsylvania, and completed in October 1944.
USS Artisan (ABSD-1), later redesignated as (AFDB-1), was a ten-section, non-self-propelled, large auxiliary floating drydock of the United States Navy. The only U.S. warship with this name, Artisan was constructed in sections during 1942 and 1943 by the Everett-Pacific Shipbuilding & Dry Dock Company, in Everett, Washington; the Chicago Bridge & Iron Company, in Eureka, California; the Pollock-Stockton Shipbuilding Company, in Stockton, California; and the Chicago Bridge & Iron Company, in Morgan City, Louisiana. This ship was commissioned at Everett, Washington, on 10 May 1943, Captain Andrew R. Mack in command. With all ten sections joined, she was 927 feet long, 28 feet tall, and with an inside clear width of 133 feet 7 inches.
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USS Adept (AFD-23) was a AFDL-1-class small auxiliary dry dock of the United States Navy Auxiliary floating drydock built for World War II.
USS Endeavor was a 200-foot AFDL-1 Class Small Auxiliary floating drydock in service with the United States Navy during World War II. Built and delivered by Chicago Bridge and Iron in Morgan City, Louisiana in September 1943, she entered service as USS AFD-1. She was redesignated AFDL-1 on 1 August 1946. In 1986, she was decommissioned, struck from the Naval Register and transferred to the Dominican Republic and redesignated DF-1. She is currently in Active Service as of 2017.
An auxiliary floating drydock is a type of US Navy floating dry dock. Floating dry docks are able to submerge underwater and to be placed under a ship in need of repair below the water line. Water is then pumped out of the floating dry dock, raising the ship out of the water. The ship becomes blocked on the deck of the floating dry dock for repair. Most floating dry docks have no engine and are towed by tugboats to their destinations. Floating dry docks come in different sizes to accommodate varying ship sizes, while large floating dry docks come in sections and can be combined to increase their size and lift power. Ballast pontoon tanks are flooded with water to submerge or pumped dry to raise the ship.
YFD-2 was an auxiliary floating drydock built for the United States Navy in 1901. The first parts were laid down in early 1901 at Maryland Steel Co. of Sparrows Point, Maryland. YFD-2 was the first of its kind, steel movable auxiliary floating drydock, used to raise large ships out the water for repair below the ship's waterline. YFD-2 had a 18,000 tons lifting capacity.
USS AFDM-2,, is an AFDM-3-class medium auxiliary floating drydock built in Mobile, Alabama by the Alabama Drydock and Shipbuilding Company for the U.S. Navy. Originally named USS YFD-4, Yard Floating Dock-4, she operated by Todd Shipyards at New Orleans, Louisiana for the repair of US ships during World War II. YFD-4 was renamed an Auxiliary Floating Dock Medium AFDM-2 in 1945 after the war.
USS ABSD-2, later redesignated as AFDB-2, was a ten-section, non-self-propelled, large auxiliary floating drydock of the US Navy. Advance Base Sectional Dock-2 was constructed in sections during 1942 and 1943 by the Mare Island Naval Shipyard in Vallejo, California for World War II. Her official commissioning ceremony took place on 14 August 1943 with CDR. Joseph J. Rochefort in command. With all ten sections joined, she was 927 feet long, 28 feet tall, and with an inside clear width of 133 feet 7 inches. ABSD-2 had a traveling 15-ton capacity crane with an 85-foot radius and two or more support barges. The two side walls were folded down under tow to reduce wind resistance and lower the center of gravity. ABSD-2 had 6 capstans for pulling, each rated at 24,000 lbf (110,000 N) at 30 ft/min (0.15 m/s), 4 of the capstans were reversible. There were also 4 ballast compartments in each section.
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USS ABSD-4, later redesignated as AFDB-4, was a nine-section, non-self-propelled, large auxiliary floating drydock of the US Navy. Advance Base Sectional Dock-4 was constructed in sections during 1942 and 1943 by the Mare Island Naval Shipyard in Vallejo, California for World War II. With all ten sections joined, she was 927 feet long, 28 feet tall, and with an inside clear width of 133 feet 7 inches. ABSD-4 had a traveling 15-ton capacity crane with an 85-foot radius and two or more support barges. The two side walls were folded down under tow to reduce wind resistance and lower the center of gravity. ABSD-4 had 6 capstans for pulling, each rated at 24,000 lbf (110,000 N) at 30 ft/min (0.15 m/s), 4 of the capstans were reversible. There were also 4 ballast compartments in each section.
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Naval Advance Base Espiritu Santo or Espiritu Santo Naval Base, most often just called Espiritu Santo, was an advance Naval base that the U.S. Navy Seabees built during World War II to support the allied effort in the Pacific. Espiritu Santo Naval Base was located on the island Espiritu Santo in the New Hebrides, now Vanuatu in the South Pacific. The base also supported the U.S. Army and Army Air Corps, U.S. Coast Guard, and US Marine Corps. Espiritu Santo Naval Base was the first large advance base built in the Pacific. By the end of the war it had become the second-largest base in the theater. To keep ships tactically available there was a demand for Advance bases that could repair and resupply the fleet at advance locations, rather than bring ships back to the United States. Prior to December 7th, Pearl Harbor was the U.S. fleet's largest advance base in the Pacific. Espiritu became capable of all aspects necessary to support the Fleet's operations from fleet logistics in fuel, food, and ammunition, to transport embarkation for combat operations or returning to CONUS. The ships repair facilities, and drydocks were capable of attending to most damage and routine maintenance. Had it not existed, ships would have had to return to Pearl Harbor, Brisbane,or Sydney for major repairs and resupply. The base became a major R and R destination for the fleet.