The Space Shuttle Access

: The "workhorse" of the fleet, it flew 39 missions, including the launch of the Hubble Space Telescope.

: Built as a replacement for Challenger, it completed 25 missions, including the first service mission for Hubble. The Space Shuttle

: Known for carrying the first American woman and African American into space; destroyed 73 seconds after liftoff in 1986. : The "workhorse" of the fleet, it flew

: The first shuttle to fly into space in 1981; tragically lost during re-entry in 2003. : The "workhorse" of the fleet