1959: Col. A.A. Arnhym works to preserve historic aircraft by opening the Strategic Aerospace Museum at Offutt Air Force Base near Omaha.

1971: On June 1, the state of Nebraska assumes responsibility for the museum.

1992: On Aug. 1, the Strategic Air Command Museum separates from the state to become the responsibility of the SAC Memorial Society, making the museum a private nonprofit organization.

1996: After a $33 million capital campaign, groundbreaking of a new facility begins near Ashland.

2001: The museum's name is changed to the Strategic Air and Space Museum.