The Stratospheric Observatory for Infrared Astronomy's 747SP sits on an aircraft ramp during nighttime testing and operation of the SOFIA's German-built telescope assembly. The aircraft is based at NASA's Dryden Aircraft Operations Facility in Palmdale, Calif
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The Stratospheric Observatory for Infrared Astronomy’s 747SP sits on an aircraft ramp during nighttime testing and operation of the SOFIA’s German-built telescope assembly. The aircraft is based at NASA’s Dryden Aircraft Operations Facility in Palmdale, Calif.September 24, 2009
NASA Photo / Tom Tschida