NASA's Space Shuttle Atlantis launch is postponed for 24 hours

NASA's Space Shuttle Atlantis sits on Launch Pad 39A at the Kennedy Space Center, Florida on December 6, 2007 once launch controllers stopped the countdown after noticing a problem with fuel sensors. The sensors control the shuttle's command to shut down the main engines after launch. NASA has tentatively rescheduled the launch for Dec 7 at 4:09 PM. (UPI Photo/Joe Marino-Bill Cantrell)