Jody Singer, Marshall deputy director, lights a candle in honor of colleagues who lost their lives in purist of space exploration during Marshall's Day of Remembrance ceremony. Looking on, from left, are Rick Burt, Marshall Safety and Mission Assurance Directorate director; Marshall Center Director Todd May; and former NASA astronauts retired Army Brig. Gen. Robert Stewart; former Marshall Deputy Director Jan Davis; and Robert "Hoot" Gibson.