STS-31 A-B Emblem

STS-31 was the thirty-fifth mission of the American Space Shuttle program, which launched the Hubble Space Telescope astronomical observatory into Earth orbit. The mission used the Space Shuttle Discovery, which lifted off from Launch Pad 39B on 24 April 1990 from Kennedy Space Center, Florida.
Discovery's crew deployed the telescope on 25 April, and spent the rest of the mission tending to various scientific experiments in the shuttle's payload bay and operating a set of IMAX cameras to record the mission.

This patch is one of the first shuttle patches by A-B that is not fully embroidered.