400th Bombardment Group

The 400th Bombardment Group is an inactive United States Air Force unit. It was last assigned to the First Air Force, stationed at Charleston Army Airfield, South Carolina. It was inactivated on 10 April 1944.

The unit was a World War II B-24 Liberator replacement training unit (RTU). Its graduates were then assigned to combat units in overseas theaters worldwide as replacement personnel. Originally a Second Air Force unit, it was reassigned to First Air Force when Second AF began B-29 Superfortress training. Inactivated in 1944 when the need for B-24 aircrews was diminished.

Lineage

 * Constituted as 400th Bombardment Group (Heavy) on 15 February 1943
 * Activated on 1 March 1943
 * Disbanded on 10 April 1944

Assignments

 * Second Air Force, 1 March 1943
 * First Air Force, 15 December 1943 – 10 April 1944

Components

 * 608th Bombardment Squadron: 1943–1944
 * 609th Bombardment Squadron: 1943–1944
 * 610th Bombardment Squadron: 1943–1944
 * 611th Bombardment Squadron: 1943–1944

Stations

 * Pyote Army Airbase, Texas, 1 March 1943 – April 1943
 * Davis-Monthan Army Airfield, Arizona, April 1943 – 2 May 1943
 * Pueblo Army Airfield, Colorado, c. 2 May 1943 – 31 July 1943
 * Salina Army Airfield, Kansas, 31 July 1943 – 19 September 1943


 * Alamogordo Army Airfield
 * Elements operated from Albuquerque Army Airbase,, New Mexico, 19 September-11 December 1943


 * Charleston Army Airfield, South Carolina, 15 December 1943 – 10 April 1944

Aircraft

 * B-24 Liberator, 1943–1944