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January 4, 2013
Several NASA science aircraft, including (from bottom) the SOFIA observatory, the DC-8 airborne laboratory and an ER-2 high-altitude aircraft, along with one of NASA's modified 747 Shuttle Carrier Aircraft, occupied the Dryden Aircraft Operations Facility during dedication ceremonies and an open house for employees and their families on April 9, 2009. (NASA photo / Tom Tschida) April 9, 2009 NASA photo / Tom Tschida

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