The 668th Bomb Squadron is an inactive United States Air Force unit. It was last assigned to the 416th Operations Group at Griffiss Air Force Base, New York, where it was inactivated on 1 January 1995. The squadron was organized again under Strategic Air Command in 1963 and maintained its aircraft on nuclear alert until the end of the Cold War. Although the squadron itself did not see combat, it deployed aircrews and bombers to augment other forces during the Vietnam War and Desert Storm.