Twentieth Columbia flight.

The flight carried the Life and Microgravity Spacelab (LMS-1) in its cargo bay.

There were 22 experiments conducted in the LMS involving fish embryos, rats, Bonzai plants, fluid dynamics, metallurgy and protein crystal growth.

Thirteen of the life science experiments were devoted to the study of microgravity and its effects on the human physiology.

Landed at Kennedy Space Center, FL. July 7, 1996.

Mission Duration: 405 hours 47 minutes 45 seconds

Launch Date: June 20, 1996

Launch Vehicle: Columbia Crew: Commander: Terence T. Henricks, Pilot: Kevin R. Kregel, Mission Specialists: Susan J. Helms, Richard M. Linnehan, Charles E. Brady, Jr.,