Kennedy Space Center, Florida: NASA's Tracking and Data Relay Satellite is mated to its inertial upper stage, which will propel the satellite to a...
Orbiting 22,300 miles above the Earth, the TRW-built Tracking and Data Relay Satellite looks down on NASA's fleet of earth-orbiting spacecraft and...
Tracking & Data Relay System Satellite , NASA's communication satellite, is seen with a model of a Space Shuttle Discovery astronaut in a powered...
Part of the Tracking & Data Relay System Satellite , NASA's communication satellite, is seen on display at the Smithsonian National Air and Space...
Ku-band antenna being installed for NASA's Tracking Data Relay Satellite on Space Shuttle Challenger, September 1982.