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The Tracking Data Relay Satellite (TDRS) fleet has provided spacecraft communications and tracking since the 1980 ) visualizaiton of the TDRS fleet communicating with user spacecraft is provided from a slightly different angle. These animations were created for a video supporting the launch of TDRS-12 (also called TDRS-L). Visualization showing first how early spacecraft like NIMBUS-7 had to communicate with ground stations, second how a typical modern spacecraft communicates with the TDRS fleet, and finally how the fleet of users communicate with TDRS fleet. Another view of the TDRS fleet communicating with user spacecraft Print resolution still of NIMBUS-7 communicating with a ground station Print resolution still showing TDRS fleet communicating with ground stations in White Sands and Guam Print resolution still of TDRS fleet communicating with user spacecraft and ground stations