The first sign was the countdown clock. On Feb 1 2003, nine-year-old Kaycee Anderson was in the crowded bleachers by Florida’s Kennedy Space Centre, watching the seconds tick down towards zero – then start climbing back up again. The perfectly blue sky seemed to highlight the absence of the Columbia space shuttle, due to return to Earth that Saturday morning with her father, Mike, and the six other astronauts on board. Instead of a sonic boom and the orbiter approaching, all of a sudden, “people