STS-40, the eleventh launch of Space Shuttle Columbia, was a nine-day mission in June 1991.

The launch was reset for 8:00 a.m. EDT, June 1, 1991, but postponed again after several attempts to calibrate inertial measurement unit 2 failed.

[3] The launch was also captured on IMAX cameras, and used in the 2015 documentary film Journey to Space.

Columbia landed on June 14, 1991, at 8:39:11 a.m. PDT, on Runway 22, at Edwards Air Force Base, California.

[8] NASA began a tradition of playing music to astronauts during the Project Gemini, which was first used to wake up a flight crew during Apollo 15.