FILE - This photo provided by NASA in June 2003 shows STS-107 crew members,from the left (bottom row), wearing red shirts to signify their shift’s color, are astronauts Kalpana Chawla,

 

              FILE - This photo provided by NASA in June 2003 shows STS-107 crew members,from the left (bottom row), wearing red shirts to signify their shift’s color, are astronauts Kalpana Chawla,
FILE - This photo provided by NASA in June 2003 shows STS-107 crew members,from the left (bottom row), wearing red shirts to signify their shift’s color, are astronauts Kalpana Chawla, mission specialist; Rick D. Husband, mission commander; Laurel B. Clark, mission specialist; and Ilan Ramon, payload specialist. From the left (top row), wearing blue shirts, are astronauts David M. Brown, mission specialist; William C. McCool, pilot; and Michael P. Anderson, payload commander. The astronauts were killed on Feb. 1, 2003, in the final minutes of their 16-day scientific research mission aboard Columbia. Altogether, 12 children lost a parent aboard Columbia. The youngest is now 15, the oldest 32. (AP Photo/NASA, File)