Space shuttle Columbia crew members strike a flying pose aboard the shuttle in this photo released by NASA on June 24, 2003. Clockwise from left are Kalpana Chawla, David M. Brown, William C. McCool, Michael P. Anderson, Ilan Ramon, Laurel B. Clark, and Rick D. Husband. This picture is from a roll of film recovered from the shuttle's debris.
New Challenger-Columbia "Space Plate" is shown at the Space Mirror Memorial at the Kennedy Space Center Visitor Center Jan. 28, 2004, in Titusville, Fla. Kirstie Chadwick, sister of Columbia crew member William McCool, at the podium, talks of the importance of the plate as a tribute to her brother, crew members of Columbia, Challenger, and all fallen astronauts.
The Lt. Col. Michael P. Anderson Memorial Highway in Cheney, Wash., on Jan. 23, 2004. In February 2003, the Washington State Transportation Commission honored Anderson by renaming state route 904 after him. Anderson graduated from Cheney High School in 1977. Feb. 1 marks the one-year anniversary of the space shuttle Columbia accident, in which the entire crew, including Anderson, died.
Danny Oberhauser, left, 8, of Fairchild AFB, Wash., and race VanMorris, 9, of Spokane, Wash., read under a portrait of Michael Anderson at Michael Anderson Elementary School at Fairchild AFB Jan. 23, 2004. The new school was dedicated on Jan. 10, 2004. The third grade students are reading George Washington by Cheryl Harness.
Dr. Jon Clark, husband of space shuttle Columbia astronaut Laurel Clark, poses near a sign honoring the seven astronauts killed in the shuttle disaster, in this file photo made at Johnson Space Center in Houston March 6, 2003. Clark says he sensed trouble before learning that his wife and the six other members of the Columbia crew died during the craft's re-entry to earth on Feb. 1.
Dr. Jon Clark, left, and his son Iain, 9, sit on the couch with the family dog, Addie, at their home in Houston Jan. 23, 2004. Their wife and mother, Astronaut Dr. Laurel Clark, died last Feb. 1 in the Columbia disaster.
Evelyn Husband, left, and Sandy Anderson, the wives of space shuttle Columbia commander Rick Husband and Michael Anderson, speak to reporters during a news conference Jan. 25, 2004, at their church in Houston. The wives planned the news conference to reflect on the year since the space shuttle broke apart over Texas on Feb. 1, killing all seven astronauts aboard.
Sandy Anderson, front, and Evelyn Husband, left, the wives of astronauts Michael Anderson and space shuttle Columbia commander Rick Husband, speak to reporters during the Jan. 25 news conference.
Artist Barbara Prey poses for a photograph in front of some of her paintings at her studio in New York, Jan. 20, 2004. In the background at right is a painting of the space shuttle Columbia done by Prey for the anniversary of the accident.
Amarillo Mayor Trent Sisemore, left, and NASA administrator Sean O'Keefe, partially obscured, unveil the Rick Husband statue Jan. 19, 2004, at Rick Husband Amarillo International Airport in Amarillo, Texas. Husband was the commander of the space shuttle Columbia when it broke up above Texas on re-entry, killing all aboard.
Evelyn Husband talks about her late husband, Rick Husband, space shuttle Columbia commander, after the unveiling of the Rick Husband statue, Jan. 19, 2004, at the Rick Husband Amarillo International Airport in Amarillo, Texas.
Plaque commemorating the NASA Space Shuttle Columbia crew.
Plaque commemorating the NASA Space Shuttle Columbia crew shown onboard Mars Exploration Rover "Spirit" on the surface of the planet.
Image mosaic taken by the panoramic camera on board the Mars Exploration Rover Spirit shows the rover's landing site, the Columbia Memorial Station, at Gusev Crater, Mars.