Day of Remembrance

Amy Resnik, sister-in-law of the late space shuttle Challenger astronaut Judy Resnik, left, and Kristy Carroll, family friend of the late space shuttle Columbia astronaut William McCool embrace by the Space Shuttle Columbia and Challenger Memorials during 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)