551st Strategic Missile Squadron

551st Strategic Missile Squadron (Atlas-F)

Activated: April 1 1961
Re-assigned: January 1 1964 (to 98th Strategic Aerospace Wing, 818th Strategic Aerospace Division)
Re-assigned: March 25 1965 (to 98th Strategic Aerospace Wing, 810th Strategic Aerospace Division)

Inactivated: June 25 1965