The Space Shuttle May 2026

: Flew the final mission of the program (STS-135) in July 2011.

: Known for carrying the first American woman and African American into space; destroyed 73 seconds after liftoff in 1986. The Space Shuttle

Five flight-worthy orbiters were constructed for the program: : Flew the final mission of the program

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

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