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.

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.