Arlington, Virginia, USA. 28th January, 2016. NASA Administrator Charles Bolden and Deputy Administrator Dava Newman, left, lay a wreath at the Tomb of the Unknowns as part of NASA's Day of Remembrance on the 30th anniversary of the Challenger explosion at Arlington National Cemetery January 28, 2016 in Arlington, Virginia. The wreaths were placed in memory of those men and women who lost their lives in the quest for space exploration. Credit: Planetpix/Alamy Live News
NASA Administrator Charles Bolden and Deputy Administrator Dava Newman, left, lay a wreath at the Tomb of the Unknowns as part of NASA's Day of Remembrance on the 30th anniversary of the Challenger explosion at Arlington National Cemetery January 28, 2016 in Arlington, Virginia. The wreaths were placed in memory of those men and women who lost their lives in the quest for space exploration.
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Location: Arlington, Virginia
Photo credit: © NASA Photo / Alamy / Afripics
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Keywords: accident, administrator, america, anniversary, ceremony, exploration, horizontal, memorial, nasa, outdoors, remembrance, science, space, tomb, virginia, washington, winter, wreath
