NASA Observes Day of Remembrance
![NASA Observes Day of Remembrance](https://media2.spaceref.com/news/2016/ooIMG_2635.jpg)
NASA wreath at the Tomb of the Unknown Soldier
SpaceRef
As part of NASA’s Day of Remembrance on the 30th anniversary of the Challenger accident, Thursday, January 28, 2016, at Arlington National Cemetery.
Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration.