The 577th Strategic Missile Squadron is an inactive United States Air Force unit. It was last assigned to the 11th Strategic Aerospace Wing, stationed at Altus Air Force Base, Oklahoma.
392nd Bombardment Group B-24 Liberator dropping bombs
The 556th Strategic Missile Squadron is an inactive United States Air Force unit. It was last assigned to the 820th Strategic Aerospace Division at Plattsburgh Air Force Base, New York, where it was inactivated in 1965 with the withdrawal of the Atlas missile from operations.
Squadron B-26 "Short Snorter", showing mission markings