TDRS-4 mission complete; spacecraft retired from active service
Tuesday, May 8, 2012 - 16:31
in Astronomy & Space
The Tracking and Data Relay Satellite 4 (TDRS-4) recently completed almost 23 years of operations support and successfully completed end-of-mission de-orbit and decommissioning activities. TDRS-4's operational life span was well beyond its original 10-year design.