5 February 1942 – present (as Fifth Air Force) 5 February 1942 – 18 September 1942 (as 5 Air Force) 28 October 1941 – 5 February 1942 (Far Eastern Air Force) 16 August 1941 – 28 October 1941 (as Philippine Department Air Force) (82years, 5months)[1]
The Fifth Air Force (5 AF) is a numbered air force of the United States Air ForcePacific Air Forces (PACAF). It is headquartered at Yokota Air Base, Japan. It is the U.S. Air Force's oldest continuously serving Numbered Air Force. The organization has provided 80 years of continuous air power to the Pacific since its establishment in September 1941.[3]
Fifth Air Force is the Headquarters Pacific Air Forces forward element in Japan, and maximizes partnership capabilities and promotes bilateral defense cooperation. In addition, 5 AF is the air component to United States Forces Japan.[3]
Its mission is three-fold. First, it plans, conducts, controls, and coordinates air operations assigned by the PACAF Commander. Fifth Air Force maintains a level of readiness necessary for successful completion of directed military operations. And last, but certainly not least, Fifth Air Force assists in the mutual defense of Japan and enhances regional stability by planning, exercising, and executing joint air operations in partnership with Japan. To achieve this mission, Fifth Air Force maintains its deterrent force posture to protect both U.S. and Japanese interests, and conducts appropriate air operations should deterrence fail.[3]
Fifth Air Force is commanded by Lieutenant General Ricky Rupp.[4]
Fourteen Boeing B-17 Flying Fortresses that survived the Battle of the Philippines left Mindanao for Darwin, Australia, between 17 and 20 December 1941, the only aircraft of the Far East Air Force to escape. After its evacuation from the Philippines on 24 December 1941, FEAF headquarters moved to Australia and was reorganized and redesignated 5 Air Force on 5 February 1942, with most of its combat aircraft based on fields on Java. It seemed at the time that the Japanese were advancing just about everywhere. The remaining heavy bombers of the 19th Bombardment Group, based at Malang on Java, flew missions against the Japanese in an attempt to stop their advance. They were joined in January and February, two or three at a time, by 37 B-17Es and 12 LB-30s of the 7th Bombardment Group. The small force of bombers, never numbering more than 20 operational at any time, could do little to prevent the invasion of the Netherlands East Indies, launching valiant but futile attacks against the masses of Japanese shipping, with six lost in combat, six in accidents, and 26 destroyed on the ground.
The 7th Bombardment Group was withdrawn to India in March 1942, leaving the 19th to carry on as the only B-17 Fortress-equipped group in the South Pacific. About this time it was decided that replacement B-17s would not be sent to the southwest Pacific, but be sent exclusively to the Eighth Air Force which was building up in England. By May, Fifth Air Force's surviving personnel and aircraft were detached to other commands and the headquarters remained unmanned for several months, but elements played a small part in the Battle of the Coral Sea (7–8 May 1942) when the 435th Bomb Squadron of the 19th Bomb Group saw the Japanese fleet gathering in Rabaul area nearly two weeks before the battle actually took place. Because of the reconnaissance activity of the 435th Bomb Squadron, the US Navy was prepared to cope adequately with the situation. The squadron was commended by the US Navy for its valuable assistance not only for its excellent reconnaissance work but for the part played in the battle.
Headquarters Fifth Air Force was re-staffed at Brisbane, Australia on 18 September 1942 and placed under the command of Major General George Kenney. United States Army Air Forces units in Australia, including Fifth Air Force, were eventually reinforced and re-organised following their initial defeats in the Philippines and the East Indies. At the time that Kenney had arrived, Fifth Air Force was equipped with three fighter groups and five bombardment groups.
On 4 November 1942, the Fifth Air Force commenced sustained action against the Japanese in Papua New Guinea and was a key component of the New Guinea campaign (1942–1945). Fifth Air Force engaged the Japanese again in the Philippines campaign (1944–45) as well as in the Battle of Okinawa (1945).
Fifth Air Force along with Thirteenth Air Force in the Central Pacific and Seventh Air Force in Hawaii were assigned to the newly created United States Far East Air Forces (FEAF) on 3 August 1944. FEAF was subordinate to the U.S. Army Forces Far East and served as the headquarters of Allied Air Forces Southwest Pacific Area. By 1945, the three numbered air forces were supporting operations throughout the Pacific. FEAF was the functional equivalent in the Pacific of the United States Strategic Air Forces (USSTAF) in the European Theater of Operations.
Order of battle, 1945
Fifth U.S. Air Force Zones of Responsibility, 1945–1947
LEGEND: ACG – Air Commando Group, FG – Fighter Group, NFS – Night Fighter Squadron, BG (L) – Light Bomb Group, BG (M) – Medium Bomb Group, BG (H) – Heavy Bomb Group, RG – Reconnaissance Group, CCG – Combat Cargo Group, TCG – Troop Carrier Group
When the war ended, Fifth Air Force had an unmatched record of 3,445 aerial victories, led by the nation's two top fighter aces Major Richard Bong and Major Thomas McGuire, with 40 and 38 confirmed victories respectively, and two of Fifth Air Force's ten Medal of Honor recipients.
Shortly after World War II ended in August, Fifth Air Force relocated to Irumagawa Air Base, Japan, about 25 September 1945 as part of the Allied occupation forces. The command remained in Japan until 1 December 1950 performing occupation duties.
for the units, stations and type aircraft flown in combat during the war (25 June 1950 – 27 July 1953)
Fifth Air Force photographic analyst elucidates the location of enemy flak batteries to plan fighter-bomber attacks, 1952North American F-86F-25-NH Sabres of the 4th FIW over Korea. Serial 52-5346 identifiable
In the early morning hours of 25 June, North Korea launched a sudden, all-out attack against the south. Reacting quickly to the invasion, Fifth Air Force units provided air cover over the skies of Seoul. The command transferred to Seoul on 1 December 1950, remaining in South Korea until 1 September 1954.
In this first Jet War, units assigned to the Fifth Air Force racked up an unprecedented 14.5 to 1 victory ratio. By the time the truce was signed in 1953, Fifth Air Force had flown over 625,000 missions, downing 953 North Korean and Chinese aircraft, while close air support accounted for 47 percent of all enemy troop casualties.
Thirty-eight fighter pilots were identified as aces, including Lieutenant Colonel James Jabara, America's first jet ace; and Captain Joseph McConnell, the leading Korean War ace with 16 confirmed victories. Additionally, four Medals of Honor were awarded to Fifth Air Force members. One other pilot of note was Marine Major John Glenn, who flew for Fifth Air Force as part of an exchange program.
With the end of combat in Korea, Fifth Air Force returned to normal peacetime readiness Japan in 1954.
The Fifth Air Force furnished aircraft, aircrews, Support personnel, and supplies throughout the eight years of combat operations in South Vietnam and Laos. Since 1972, the command has played active or supporting roles in a variety of issues ranging from being first on the scene at the Korean Air Lines Flight 007 shoot down in 1983 to deploying personnel and supplies for the Persian Gulf War in 1990.
During this time, the size of Fifth Air Force changed as well. With the activation of Seventh Air Force in 1986, fifth left the Korean Peninsula and focused its energy on continuing the growing bilateral relationship with Japan.
The Fifth Air force has responded to natural disasters in Japan and abroad, including the Great Hanshin earthquake in 1995 and Super Typhoon Paka in Guam in 1997. Fifth Air Force has reached out to provide assistance to victims of floods, typhoons, volcanoes, and earthquakes throughout the region.
The 432d Tactical Fighter Wing flew F-16s from Misawa Air Base from July 1, 1984 – October 31, 1994. On the inactivation of the wing, its personnel, aircraft, and other assets were used to reform the 35th Fighter Wing.
Present Day
Today, according to the organization's website, major components include the 18th Wing, Kadena Air Base, Okinawa Prefecture, Japan; the 35th Fighter Wing at Misawa Air Base, and the 374th Airlift Wing at Yokota Air Base.[3] Kadena AB hosts the 18th Wing, the largest combat wing in the USAF. The Wing includes F-15 fighters, KC-135 refuelers, E-3 Airborne Warning and Control System aircraft, and HH-60G Pave Hawk rescue helicopters, and represents a major combat presence and capability in the Western Pacific. The 35th Fighter Wing, Misawa Air Base, Japan, includes two squadrons equipped with the most modern Block 50 F-16 variant, dedicated to the suppression of enemy air defenses. The final formation is the 374th Airlift Wing, at Yokota Air Base, Japan.
According to a 2017 study by two US Navy commanders, in case of a surprise Chinese ballistic missile attack against airbases in Japan, more than 200 U.S. aircraft would be trapped or destroyed on the ground in the first hours of the conflict.[5]
Lineage, assignments, stations, and components
Lineage
Established as Philippine Department Air Force on 16 August 1941
Redesignated: Fifth Air Force* on 18 September 1942.
Fifth Air Force is not to be confused with a second "Fifth" air force created as a temporary establishment to handle combat operations after the outbreak of hostilities on 25 June 1950, in Korea. This numbered air force was established as Fifth Air Force, Advance, and organized at Itazuki AB, Japan, assigned to Fifth Air Force, on 14 July 1950. It moved to Taegu AB, South Korea, on 24 July 1950, and was redesignated Fifth Air Force in Korea at the same time. After moving, it apparently received command control from U.S. Far East Air Forces. The establishment operated from Pusan, Taegu, and Seoul before being discontinued on 1 December 1950.[citation needed]
Assignments
Philippine Department, U.S. Army, 20 September 1941
US Forces in Australia (USFIA), 23 December 1941
Redesignated: US Army Forces in Australia (USAFIA), 5 January 1942
432d Tactical Fighter Wing, Misawa Air Base, Japan: July 1, 1984 – May 31, 1991; 432d Fighter Wing from June 1, 1991 - October 31, 1994 (wing personnel and assets thereafter used to reactivate 35th Fighter Wing)
6100th Support Wing, Tachikawa Air Base, Japan: "Brigadier General Thomas R. FORD Replaced Col. Lewis B. MENG as commander of 6100th Support Wing effective" 11 June 1962. "6100 Support Wing was Major Air Command control (MAJCON) unit directly subordinate to Headquarters (HQ) 5 Air Force. Contains.. functions of various subordinate elements of 6100 Support Wing (Kanto Base Command)."[6]
Misawa Air Base is an air base of the Japan Air Self-Defense Force (JASDF), the United States Air Force, and the United States Navy located in Misawa, Aomori, in the northern part of the island of Honshū of Japan. It is located 3 NM northeast of Misawa railway station, 4.8 km (3.0 mi) west of the Pacific Ocean, 16 km (9.9 mi) northeast of Towada, 29 km (18 mi) northwest of Hachinohe, and 684 km (425 mi) north of Tokyo at the "Tip of the Spear". It is a Pacific Air Forces (PACAF) facility with the 35th Fighter Wing as its host wing. It hosts both Japanese and American troops.
The Seventh Air Force (Air Forces Korea) (7 AF) is a Numbered Air Force of the United States Pacific Air Forces (PACAF). It is headquartered at Osan Air Base, South Korea.
The Thirteenth Expeditionary Air Force is a provisional numbered air force of the United States Air Force Pacific Air Forces (PACAF). It is headquartered at Hickam Air Force Base, Joint Base Pearl Harbor–Hickam on the island of Oahu, Hawaii. It has never been stationed in the continental United States.
The Pacific Air Forces (PACAF) is a Major Command (MAJCOM) of the United States Air Force and is also the air component command of the United States Indo-Pacific Command (USINDOPACOM). PACAF is headquartered at the Hickam AFB portion of Joint Base Pearl Harbor–Hickam, Hawaii, and is one of two USAF MAJCOMs assigned outside the Continental United States, the other being the United States Air Forces in Europe – Air Forces Africa. Over the past sixty-five plus years, PACAF has been engaged in combat during the Korean and Vietnam Wars and Operations Desert Storm, Southern Watch, Northern Watch, Enduring Freedom and Iraqi Freedom.
The 116th Air Control Wing is a Wing of the Georgia Air National Guard/United States Air Force, stationed at Robins Air Force Base, Georgia. If activated for federal service, the wing is gained by Air Combat Command.
The 524th Special Operations Squadron is an active squadron of the United States Air Force, based at Duke Field, Florida, with the 492d Special Operations Wing.
The 91st Cyberspace Operations Squadron is an active United States Air Force unit, currently assigned to the 67th Cyberspace Wing at Kelly Annex, part of Lackland Air Force Base, Texas.
The 22nd Operations Group is the operational flying component of the United States Air Force 22nd Air Refueling Wing. It is stationed at McConnell Air Force Base, Kansas, and is part of Air Mobility Command (AMC)'s Eighteenth Air Force.
The 8th Fighter Squadron is an active United States Air Force squadron, assigned to the 54th Fighter Group Air Education and Training Command, stationed at Holloman Air Force Base, New Mexico. It currently operates the General Dynamics F-16 Fighting Falcon aircraft, conducting initial training, transition and instructor upgrades training. The squadron have a proud lineage of aircraft and assignments. The origin of the 8th Fighter Squadron can be traced back to 1940, and since then, the squadron has served in several war and peace time assignments across the globe.
The 9th Attack Squadron is a United States Air Force squadron, assigned to the 49th Operations Group, stationed at Holloman Air Force Base, New Mexico. The squadron is a training unit for new pilots and sensor operators for the MQ-9 Reaper Remotely Piloted Aircraft (RPA).
The 25th Fighter Squadron is part of the US Air Force's 51st Operations Group, 51st Fighter Wing, at Osan Air Base, South Korea. It operates the Fairchild Republic A-10 Thunderbolt II aircraft conducting close air support missions.
The 67th Fighter Squadron "Fighting Cocks" is a fighter squadron of the United States Air Force, part of the 18th Operations Group at Kadena Air Base, Japan. The 67th is equipped with the F-15C/D Eagle.
The 68th Fighter Squadron was one of the longest-serving fighter squadrons in U.S. Air Force history, remaining active almost continually for 60 years. Known as the "Lightning Lancers", on the morning of 27 June 1950 pilots of the 68th Fighter-All Weather Squadron flying the North American F-82 Twin Mustang made history by achieving the first aerial kill of the Korean War.
The 19th Operations Group is the operational flying component of the United States Air Force 19th Airlift Wing, stationed at Little Rock Air Force Base, Arkansas.
The 39th Flying Training Squadron is part of the 340th Flying Training Group and is the reserve associate to the 12th Flying Training Wing based at Randolph Air Force Base, Texas.
The 71st Operations Group is the operational flying component of the United States Air Force 71st Flying Training Wing. It is stationed at Vance Air Force Base, Oklahoma.
The United States Air Force's 301st Intelligence Squadron is an intelligence unit located at Joint Base Elmendorf-Richardson, Alaska.
The 35th Operations Group is the operational flying component of the United States Air Force 35th Fighter Wing. It is stationed at Misawa Air Base, Japan, and is a part of Pacific Air Forces (PACAF).
The 8th Operations Group is the operational flying component of the United States Air Force 8th Fighter Wing. It is stationed at Kunsan Air Base, South Korea, and is a part of Pacific Air Forces (PACAF).
The 3rd Operations Group is the operational flying component of the United States Air Force 3rd Wing. It is stationed at Joint Base Elmendorf–Richardson, Alaska, and is assigned to Pacific Air Forces' Eleventh Air Force.
Maurer, Maurer (1983). Air Force Combat Units of World War II. Maxwell AFB, Alabama: Office of Air Force History. ISBN0-89201-092-4.
Ravenstein, Charles A. (1984). Air Force Combat Wings Lineage and Honors Histories 1947–1977. Maxwell AFB, Alabama: Office of Air Force History. ISBN0-912799-12-9..
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United States of America 
United States Air Force (18 September 1947 – present)
United States Army ( 
Army Air Forces, 16 August 1941 – 18 September 1947)
Pacific Air Forces 
U.S. Indo-Pacific Command 
U.S. Forces Japan 
