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The 2001 Mars Odyssey Orbiter sits in the Spacecraft Assembly and Encapsulation Facility (SAEF 2) while components undergo testing. The worker at left looks at an oscilloscope for testing the UHF antenna, a small cylindrical object protruding from the left side of the satellite. Scheduled for launch April 7, 2001, the orbiter contains three science instruments: THEMIS, the Gamma Ray Spectrometer (GRS), and the Mars Radiation Environment Experiment (MARIE). THEMIS will map the mineralogy and morphology of the Martian surface using a high-resolution camera and a thermal infrared imaging spectrom…
