Day of Remembrance

NASA personnel watch as a wreath is laid at the Tomb of the Unknowns by NASA acting Administrator Janet Petro, left, and NASA Astronaut Kayla Barron, as part of NASA's Day of Remembrance, Thursday, Jan. 23, 2025, at Arlington National Cemetery in Arlington, Va. The wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration.