The crewmembers of Space Shuttle mission
51-F have chosen as their insignia this design by Houston artist Skip Bradley. The Space
Shuttle Challenger is depicted ascending toward the heavens in search of new
knowledge in the field of solar and stellar astronomy, with its Spacelab 2 payload. The
constellations Leo and Orion are in the positions they will be in, relative to the sun
during the flight. The nineteen stars signify that this is the 19th STS flight.