STS-107 Payload Specialist Ilan Ramon, of Tel Aviv, Israel, left, gives the thumbs up sign as he leaves the Operations and Checkout Building at Kennedy Space Center (news - web sites) with fellow crew members, including, Mission Specialist Laurel Clark, of Racine, Wis., early Thursday, Jan. 16, 2003, for a trip to Launch Pad 39-A and a liftoff onboard the space shuttle Columbia. Space shuttle Columbia apparently broke apart in flames as it streaked over Texas, Saturday, Feb. 1, 2003, toward its scheduled landing, killing all seven astronauts. (AP Photo/Chris O'Meara)