First mission, STS-41D, was on August 30, 1984.Has completed 38 missions, and logged more than 5,600 trips around Earth.

Traveled a total of 142,917,535 miles (230,003,477 kilometers) so far, will add 4.5 million miles (7.2 million kilometers) on this final trip.Spent 352 days in space until now, for a total of 363 days by the end of this mission.Carried the Hubble space telescope into orbit in April, 1990.

Has twice been the first shuttle to return to orbit after a major disaster: in 1988 after Challenger exploded in 1986; and again in 2005 after Columbia disintegrated in 2003.Is the oldest shuttle in the three member fleet, due to the demise of Columbia and Challenger which were older.

Was the first shuttle to be piloted by a woman, Eileen Collins in 1995.First shuttle to be commanded by a woman, also Eileen Collins in 1999.Carried the first African-American astronaut spacewalker, Bernard Harris in 1995.Transported first sitting member of Congress in space, Senator Jake Garn in 1985.

Delivered part of Japan's Kibo laboratory to the ISS in 2008. Was the first shuttle to rendez-vous with the Russian Mir Space Station 1995.Has received 99 upgrades. By the end of this mission, will have transported 180 people in total.