Space Radar Laboratory-1 (SRL-1). SRL-1 included the Spaceborne Imaging Radar- C and the X-band Synthetic Aperture Radar (SIR-C/X-SAR) and an atmospheric instrument called Measurement of Air Pollution from Satellites (MAPS).
LIDAR In-Space Technology Experiment (LITE). SPARTAN-201. First flight of Lidar In-space Technology Experiment (LITE) and first untethered U.S. extravehicular activity (EVA) in 10 years.
International Microgravity Laboratory-2 (IML-2). Second flight of International Microgravity Laboratory (IML-2), carrying more than twice the number of experiments and facilities as IML-1.
Atmospheric Laboratory for Applications and Sciences - (ATLAS-03). Seven instruments on the Atmospheric Laboratory for Applications and Science-3 (ATLAS-3) also flew on first two ATLAS flights. No other collection of space-based instruments provides same extensive range of atmospheric measurements.