however, one was destroyed in the Challenger disaster. TDRS-1 was decommissioned in October 2009. TDRS-4 was decommissioned in December 2011. Ten TDRSS satellites...

TDRS-3, known before launch as TDRS-C, is an American communications satellite, of first generation, which is operated by NASA as part of the Tracking...

retired after 41 years at NASA with TDRS as one of final missions. Boeing is responsible for the construction of TDRS K. TDRSS is similar to most other...

TDRS-1, known before launch as TDRS-A, was an American communications satellite, operated by NASA as part of the Tracking and Data Relay Satellite System...

TDRS satellites launched were operational, two (TDRS-3, TDRS-5) had been placed in storage, two (TDRS-1 and TDRS-4) had been retired, and one (TDRS-B)...

and electrical components are interchangeable with the TZR and R1-Z. The TDR was designed to provide agile handling and quick acceleration both on and...

TDRS-12, known before launch as TDRS-L, is an American communications satellite operated by NASA as part of the Tracking and Data Relay Satellite System...

Look up tdr in Wiktionary, the free dictionary. TDR may refer to: Telecommunications for Disaster Relief, a proposed standard Time-domain reflectometry...

the crew, saying it was "a great ending to a new beginning". TDRS-C, which became TDRS-3 in orbit, and its attached Inertial Upper Stage (IUS), were...

TDRS-13, known before launch as TDRS-M, is an American communications satellite operated by NASA as part of the Tracking and Data Relay Satellite System...