The 450th Fighter-Day Group is an inactive United States Air Force unit. It was last assigned to the 450th Fighter-Day Wing of Tactical Air Command (TAC) at Foster AFB, Texas. It was inactivated on 11 December 1957. The group was reactivated as a fighter unit briefly in the 1950s under Tactical Air Command (TAC) at Foster AFB, Texas, where it replaced a flying training unit. It was the first USAF combat group to fly the North American F-100 Super Sabre.