341st Bombardment Group (341st BG)
U.S. Army Air Force (USAAF), 10th Air Force (10th AF)

Background
The 341st Bombardment Group (Medium) was part of the 10th Air Force (10th AF) in the U.S. Army Air Force (USAAF). The 341st Bomb Group included the Headquarters Squadron (HQ Squadron), 11th Bombardment Squadron (11th BS), 490th Bombardment Squadron (490th BS) "Burma Bridge Busters" and 491st Bombardment Squadron (491st BS). During World War II, operated the B-25 Mitchell in the South West Pacific Area (SWPA). On September 15, 1942 the 341st Bomb Group was activated at Karachi Airfield in Pakistan. On October 3, 1942 the 341st Bomb Group was assigned to the India Air Task Force (IATF).

Headquarters Squadron (HQ Squadron)
On September 15, 1942 Headquarters Squadron was activated at at Karachi Airfield in Pakistan.

11th Bombardment Squadron (11th BS)
On September 15, 1942 assigned to the 341st Bombardment Group (341st BG) from the 7th Bombardment Group (7th BG).

22nd Bombardment Squadron (22nd BS)
On September 15, 1942 assigned to the 341st Bombardment Group (341st BG) from the 7th Bombardment Group (7th BG)

490th Bombardment Squadron (490th BS) "Burma Bridge Busters"
The 490th Bombardment Squadron (490th BS).

491st Bombardment Squadron (491st BS)
The 491st Bombardment Squadron (490th BS).

References
Combat Squadrons of the Air Force World War II (1982) pages 591 (491st Bombardment) [PDF pages 603]