The 40^th Air Division was activated on 4 Mar 1951, the division assumed a supervisory role over assigned units of the Strategic Air Command, ensuring that they were manned, trained, and equipped to conduct long range bombardment missions using either nuclear or conventional weapons. The 40^th also developed and maintained the capability for effective air refueling and Minuteman II (intercontinental ballistic missile) operations. In these roles the division conducted staff assistance visits and participated in numerous exercises such as Buy None, Buckskin Rider and Busy Player.

17^th Bomb Wing

1 Feb 1963

1 Jul 1963

17^th Bomb Wing

1 Jul 1971

1 Jul 1973

31^st Fighter-Escort Wing

14 Mar 1951

1 Apr 1957

301^st Air Refueling Wing

2 Jul 1966

31 Mar 1970

301^st Air Refueling Wing

1 Jul 1973

1 Jul 1975

301^st Air Refueling Wing

7 Jul 1989

14 Jun 1991

305^th Air Refueling Wing

1 Jul 1973

1 Dec 1982

341^st Strategic Missile Wing

7 Jul 1989

14 Jun 1991

351^st Strategic Missile Wing

1 Jul 1973

1 Dec 1982

379^th Bomb Wing

9 Jan 1961

8 Jun 1988

410^th Bomb Wing

1 Feb 1963

1 Sep 1964

410^th Bomb Wing

31 Mar 1970

8 Jun 1988

416^th Bomb Wing

30 Jun 1971

1 Jul 1973

416^th Bomb Wing

1 Dec 1982

8 Jun 1988

449^th Bomb Wing

1 Feb 1963

30 Sep 1977

500^th Air Refueling Wing

1 Jul 1963

15 Dec 1964

508^th Fighter-Escort Wing

1 Jul 1952

11 May 1956

4026^th Strategic Wing

1 Jul 1959

9 Jan 1961

4042^nd Strategic Wing

1 Jul 1959

1 Feb 1963

4043^rd Strategic Wing

1 Jul 1959

1 Feb 1963

4080^th Strategic Reconnaissance Wing

1 May 1956

1 Apr 1957

4239^th Strategic Wing

1 Jul 1959

1 Feb 1963