STS-59 Space Shuttle Endeavour

The mission insignia for Space Shuttle Endeavour mission STS-59 with the Planet Earth and the symbol of the astronaut corps emblem sweeping over Earth's surface from the Space Shuttle Endeavour, representing the operation of the SIR-C/Synthetic Aperture Radar (X-SAR) and the Measurement of Air Pollution from Space (MAPS) sensors, with the surnames of the crew (Jerome Apt III, Michael R Clifford, Sidney M Gutierrez, Kevin P Chilton, Linda M Godwin, Thomas D Jones) around the edge of the roundel, 9th April to 20th April 1994. The primary objective of STS-59 is to use the Space Radar Laboratory-1 (SRL-1), as part of NASA's Mission to Planet Earth program, to study the Earth's ecosystem. (Photo by Space Frontiers/Archive Photos/Hulton Archive/Getty Images)