NASA's ER-2 No. 809 high-altitude Earth science aircraft banks away from the photo chase plane during a flight over a southern Sierra Nevada snowscape.
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NASA’s ER-2 No. 809 high-altitude Earth science aircraft banks away from the photo chase plane during a flight over a southern Sierra Nevada snowscape. NASA’s Dryden Flight Research Center operates two of the Lockheed-built aircraft on a wide variety of environmental science, atmospheric sampling, and satellite data verification missions.February 26, 2008
NASA Photo / Carla Thomas