United States Twentieth Air Force

United States Twentieth Air Force
Unit name	Twentieth Air Force
Caption	Emblem
Dates	1944–present
Country	United States
Branch	United States Air Force
Type	Numbered Air Force
Role	Strategic deterrence and long-range strike
Garrison	Vandenberg Space Force Base
Nickname	20 AF
Decorations	Distinguished Unit Citation
Current commander	General (placeholder)

United States Twentieth Air Force

The Twentieth Air Force is a numbered air force of the United States Air Force charged with strategic deterrence, long-range strike, and nuclear forces; it traces origins to World War II strategic bombing campaigns and continues roles tied to Strategic Air Command, Air Force Global Strike Command, and United States Strategic Command. Established under Army Air Forces direction during the Pacific Theater of World War II, the Twentieth coordinated operations involving Boeing B-29 Superfortress, targeting objectives across Japan, Manchuria, and Formosa while interacting with commanders such as Henry H. Arnold, Curtis LeMay, and theater leaders associated with the Southwest Pacific Area. Postwar, Twentieth Air Force responsibilities shifted through associations with Continental Air Command, State Department arms control contexts, and later nuclear force stewardship aligned with modern deterrence frameworks including New START and joint operations with United States Northern Command and United States Indo-Pacific Command.

History

Activated in 1944 by the United States Army Air Forces to conduct very long-range bombardment, Twentieth Air Force organized and trained B-29 units at bases like Omaha Army Airfield, Kearney Army Airfield, and Wendover Field before deploying to Tinian, Saipan, and Isley Field. Under the direction of General Henry H. Arnold and operational command that included General Curtis LeMay, Twentieth executed strategic campaigns against industrial and military targets such as Yokohama, Kokura, and Hiroshima and managed missions involving the Atomic bombing of Hiroshima and the Atomic bombing of Nagasaki through complex coordination with Manhattan Project leadership and theater authorities including Admiral Chester W. Nimitz. After World War II, Twentieth was inactivated and reactivated in various forms during the Cold War, aligning with Strategic Air Command for nuclear alert duties and later integrating into Air Force Global Strike Command for oversight of intercontinental ballistic missiles and bomber wings. Throughout the Korean War and Vietnam War eras, assets and doctrine connected to Twentieth influenced strategic planning at Pentagon levels and cooperative efforts with allies such as United Kingdom, Australia, and Japan for basing and overflight arrangements.

Organization and Units

Twentieth Air Force has been structured to include numbered wings, groups, and squadrons such as the 90th Missile Wing, 341st Missile Wing, 576th Flight Test Squadron, and bomber units historically tied to the 5th Bomb Wing and 509th Composite Group. Headquarters relationships have linked Twentieth with Vandenberg Space Force Base, F.E. Warren Air Force Base, Minot Air Force Base, and Malstrom Air Force Base for missile and bomber force posture. The command relationship extends to components under Air Force Global Strike Command and operational control interfaces with United States Strategic Command for employment planning, while logistics and maintenance coordination involves entities like Air Force Materiel Command and Defense Logistics Agency.

Operations and Campaigns

In World War II, Twentieth Air Force conducted incendiary raids, mining operations, and precision strikes including the Operation Meetinghouse raid on Tokyo and the firebombing campaign across the Japanese home islands, as well as missions against Manchuria and industrial complexes in Korea. Postwar operations encompassed strategic deterrence patrols, nuclear alert rotations, and participation in crises such as the Cuban Missile Crisis, while later involvement included support to operations in Operation Desert Storm, Operation Enduring Freedom, and Operation Iraqi Freedom through airborne alert postures and long-range sortie planning despite primary strategic-nuclear focus. Twentieth has also overseen testing and evaluation campaigns tied to ICBM reliability exercises, missile silo upgrades, and integration with space-based command and control systems developed with partners including National Reconnaissance Office and North American Aerospace Defense Command.

Aircraft and Equipment

The Twentieth employed the Boeing B-29 Superfortress in World War II and later operated aircraft and systems such as the Boeing B-52 Stratofortress, Boeing B-1 Lancer, and developmental coordination with the Northrop Grumman B-2 Spirit program, as well as intercontinental ballistic missile systems including the LGM-30 Minuteman, LGM-118 Peacekeeper, and associated reentry vehicles and guidance suites developed with Sandia National Laboratories and Los Alamos National Laboratory. Airborne command assets historically linked to strategic forces included modifications of the Boeing EC-135 and integration with airborne warning and control systems involving E-3 Sentry platforms for broader theater situational awareness. Support equipment and ground-based infrastructure coordination involved agencies such as the Corps of Engineers (United States Army), Defense Threat Reduction Agency, and missile contractors like Boeing and Lockheed Martin.

Commanders

Key commanders influencing Twentieth Air Force doctrine and operations include figures such as Curtis LeMay, whose strategic bombing leadership shaped tactics during World War II, and later commanders associated with Cold War nuclear posture who worked within the frameworks of Strategic Air Command leadership and Air Force Global Strike Command stewardship. Command relationships also connected Twentieth leaders to joint chiefs and unified combatant commanders including those at United States Strategic Command and regional commanders in United States Indo-Pacific Command and United States Northern Command during periods of strategic adjustment and crises.

Decorations and Honors

Twentieth Air Force units and components received campaign credits and unit awards including the Distinguished Unit Citation for actions in the Pacific Theater of World War II, alongside service recognitions tied to Cold War readiness and participation in national defense operations. Individual wings and squadrons under Twentieth earned aviation and service honors from institutions such as the Secretary of the Air Force and joint service commendations administered by the Department of the Air Force.

Category:United States Air Force number air forces