STS-61-J was a canceled launch of

NASA The National Aeronautics and Space Administration (NASA ) is an independent agency of the US federal government responsible for the civil space program, aeronautics research, and space research. NASA was established in 1958, succeeding t ...

Space Shuttle ''Atlantis'', planned for August 1986 to launch the

Hubble Space Telescope The Hubble Space Telescope (often referred to as HST or Hubble) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation. It was not the first space telescope, but it is one of the largest and most versa ...

. It was canceled due to the Space Shuttle ''Challenger'' disaster earlier in the year. The crew members were to be John W. Young, Charles F. Bolden Jr.,

Bruce McCandless II Bruce McCandless II (born Byron Willis McCandless; June 8, 1937 – December 21, 2017) was a United States Navy officer and aviator, electrical engineer, and NASA astronaut. In 1984, during the first of his two Space Shuttle missions, h ...

, Steven A. Hawley, and Kathryn D. Sullivan. All of the crew members except John Young, who was reassigned to an administrative position, later flew on the STS-31 mission. Young was replaced by Loren J. Shriver for STS-31.

Crew

References

{{All U.S. Space Shuttle Missions Cancelled Space Shuttle missions John Young (astronaut)