Eleventh Atlantis flight. The Atmospheric Laboratory for Applications and Science (ATLAS 1) studied atmospheric science, solar science, space physics and astronomy. Landed April 2, 1992 at Kennedy Space Center, FL. Mission Duration 214 hours 10 minutes 24 seconds.

Launch Date: March 24, 1992 Launch Vehicle: Atlantis Crew: Commander: Charles F. Boklen, Pilot: Brian K. Duffy, Mission Specialists: Kathryn D. Sullivan, David C. Leestma, C. Michael Foale, Payload Specialists: Dirk D. Frimout, Bryon K. Lichtenbur.