399th Bombardment Group

The 399th Bombardment Group is an inactive United States Air Force unit. It was last assigned to the Fourth Air Force, being stationed at March Field, California. It was inactivated on 31 March 1944.

Activated during World War II initially as a Second Air Force B-24 Liberator operational training unit (OTU). Reassigned to Fourth Air Force in late 1943 as a replacement training unit (RTU) when Second Air Force switched to B-29 Superfortress training.

Lineage

 * Constituted as 399th Bombardment Group (Heavy) on 15 February 1943
 * Activated on 1 March 1943
 * Disbanded on 31 March 1944.

Assignments

 * II Bomber Command, 1 March 1943
 * Second Air Force, 6 October 1943
 * IV Bomber Command, 3 December 1943 – 31 March 1944

Components

 * 604th Bombardment Squadron: 1943–1944
 * 605th Bombardment Squadron: 1943–1944
 * 606th Bombardment Squadron: 1943–1944
 * 607th Bombardment Squadron: 1943–1944

Stations

 * Davis-Monthan Field, Arizona, 1 March 1943
 * Gowen Field, Idaho, 10 April 1943
 * Wendover Field, Utah, 27 April 1943
 * March Field, California, 3 December 1943 – 31 March 1944