Day of Remembrance

Acting NASA Administrator Robert Lightfoot, NASA employees, and members of the public bow their heads at the graves of Apollo 1 crew members, Virgil Grissom and Roger Chaffee during a wreath laying ceremony as part of NASA's Day of Remembrance, Thursday, Jan. 25, 2018, at Arlington National Cemetery in Arlington, Virginia. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Bill Ingalls)