1.   The dish antenna is normally used to transmit high volumes of data between an orbiting shuttle and Mission Control.

2.   Ice buildup in a cooling system aboard the orbiting shuttle Endeavour might force it to land on Friday, one day sooner than expected, NASA said early Tuesday.

3.   The TDRS satellite is designed to relay communications from orbiting shuttles and other spacecraft to the ground.

4.   It is designed to relay communications from orbiting shuttles and other spacecraft to the ground.