NASA Day of Remembrance
NASA Deputy Administrator Shana Dale, left, and other NASA senior management participate in a wreath laying ceremony at Arlington National Cemetery as part of NASA's Day of Remembrance, Thursday, Jan. 31, 2008. The wreaths were laid in the memory of those men and women who lost their lives in the quest of space exploration, including the astronaut crews of Columbia, Challenger and Apollo 1.
Photo Credit: NASA/Bill Ingalls
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