NASA Marshall Space Flight Center Director Jody Singer looks solemnly toward a display honoring the crews of space shuttle Columbia STS-107, space shuttle Challenger STS-51L and Apollo 1 during the center's Day of Remembrance ceremony Feb. 7. Singer, former astronaut Jan Davis, and Marshall Safety and Mission Assurance Directorate Director Rick Burt, spoke at the annual ceremony, which honors those who lost their lives in the quest of space exploration and those who dedicated their lives to space exploration. The ceremony concluded with Singer lighting a candle in memory of the honorees and a moment of silence led by Johnny Stephenson, director of the Office of Strategic Analysis & Communications.