Twentieth Air Force

Twentieth Air Force
en:United States Army Institute of Heraldry · Public domain · source
Unit name	Twentieth Air Force
Caption	Emblem of the Twentieth Air Force
Dates	1944–present
Country	United States
Branch	United States Air Force
Type	Numbered air force
Role	Strategic deterrence, bomber operations, intercontinental ballistic missile oversight
Command structure	Air Force Global Strike Command
Garrison	F. E. Warren Air Force Base
Notable commanders	Curtis LeMay, Haywood S. Hansell Jr., Thomas S. Power

Twentieth Air Force is a numbered air force of the United States Air Force assigned to Air Force Global Strike Command responsible for strategic bombardment and nuclear deterrence through operation of bomber and intercontinental ballistic missile assets. Established during World War II to execute strategic bombing campaigns in the Pacific Theater of Operations, it later transitioned into a Cold War role overseeing strategic assets within the Strategic Air Command before becoming a core element of modern United States Strategic Command deterrence posture. Its history intersects with major figures and events including Curtis LeMay, the Battle of Okinawa, the Atomic bombings of Hiroshima and Nagasaki, and the development of Minuteman III and B-52 Stratofortress modernization programs.

History

Activated in 1944 under the United States Army Air Forces to prosecute long-range bombing against the Empire of Japan, Twentieth Air Force planned and executed operations from bases in the Mariana Islands, coordinating with the Pacific Ocean Areas command and units such as the 504th Bombardment Group and 73rd Bombardment Wing. Command arrangements during World War II involved personalities from Haywood S. Hansell Jr. to Curtis LeMay, culminating in the use of Boeing B-29 Superfortress bombers and operations linked to the Manhattan Project and the Enola Gay mission that resulted in the Atomic bombings of Hiroshima and Nagasaki. During the Cold War the command shifted into Strategic Air Command oversight, integrating with deployments of Convair B-36, B-52 Stratofortress, and development of the Intercontinental ballistic missile force such as Minuteman I and Minuteman III under leaders like Thomas S. Power. In the post-Cold War era, Twentieth Air Force became aligned under Air Force Global Strike Command and continued modernization with programs involving Northrop Grumman B-2 Spirit integration, strategic force management in support of United States Strategic Command, and participation in strategic arms reduction dialogues such as the Strategic Arms Reduction Treaty era discussions.

Organization and Structure

Twentieth Air Force is organized into numbered divisions, wings, and groups that include missile wings operating Minuteman III ICBMs and bomber wings operating legacy aircraft such as the B-52 Stratofortress; subordinate units historically and currently include wings stationed at F. E. Warren Air Force Base, Malmstrom Air Force Base, and Minot Air Force Base. The force reports to Air Force Global Strike Command while supporting operational tasking from United States Strategic Command and integrating with joint entities like Northern Command and theater commands including Pacific Air Forces for contingency planning. Its staff structure encompasses operations, maintenance, logistics, cyber and nuclear surety directorates that liaise with institutions such as the Defense Threat Reduction Agency and offices within the Department of Defense and the National Nuclear Security Administration for life-extension and sustainment initiatives.

Missions and Operations

Primary missions include nuclear deterrence through continuous alert and force protection of strategic assets, long-range conventional and strategic bombing, and readiness for strategic conventional strike contingencies tied to theaters such as the Indo-Pacific Command and United States Central Command. Twentieth Air Force forces have conducted historic operations from strategic bombing in World War II to Cold War alert postures during events like the Cuban Missile Crisis, to support for Operation Enduring Freedom and Operation Iraqi Freedom in broader strike and deterrence roles. The numbered air force sustains a global posture with training, exercises such as Global Thunder and Red Flag, and coordination with treaty verification efforts influenced by accords like the New START Treaty.

Aircraft and Equipment

Legacy and current equipment associated with Twentieth Air Force include the Boeing B-29 Superfortress of World War II fame, strategic platforms such as the B-52 Stratofortress and integration interfaces for the Northrop Grumman B-2 Spirit, as well as ground-based strategic systems like the LGM-30 Minuteman family and modernization efforts exemplified by the Ground-Based Strategic Deterrent program. Support and logistics fleets, command-and-control assets including airborne command posts related to EC-135 heritage, and survivable communication systems tied to the E-4 Advanced Airborne Command Post and satellite constellations like Global Positioning System and Defense Satellite Communications System underpin operational capability.

Bases and Facilities

Key bases historically and presently associated with the numbered air force include Andersen Air Force Base, Tinian, Saipan, F. E. Warren Air Force Base, Malmstrom Air Force Base, Minot Air Force Base, and forward operating locations in the Indo-Pacific region. Facilities encompass missile alert complexes, bomber maintenance depots such as those at Tinker Air Force Base and Barksdale Air Force Base, test ranges including the Nevada Test and Training Range, and nuclear surety and storage sites coordinated with the Defense Logistics Agency and National Nuclear Security Administration for warhead life-cycle management.

Notable Commanders and Personnel

Commanders and influential personnel connected with Twentieth Air Force include Haywood S. Hansell Jr., an initial architect of strategic bombing doctrine; Curtis LeMay, who implemented area bombing tactics and post-war strategic posture; Thomas S. Power, who guided early Cold War strategic planning; and later leaders who shaped missile operations and nuclear policy during the tenure of Strategic Air Command and Air Force Global Strike Command. Personnel associated with specific operations and programs include aircrews from the 509th Composite Group, engineers from the Manhattan Project, and contemporary commanders who have overseen force modernization, arms control compliance, and integration with United States Strategic Command initiatives.

Category:United States Air Force numbered air forces