Space station's coolant problem casts a cloud over cargo craft's launch

NASA managers say they're still troubleshooting a problem with a coolant pump aboard the International Space Station — and although the crew is not in any danger, a commercial cargo flight might have to be postponed. A decision on the Dec. 18 launch of Orbital Sciences Corp.'s Cygnus cargo ship atop an Antares rocket will be deferred until Monday, said Kenny Todd, NASA's space station mission integration and operations manager. More

(Source: NBC News - Dec 14)