Caption:

The space shuttle Endeavour (STS 54) deploys TDRS Flight 6 on Jan. 13, 1993. The Northrop Grumman-built satellite marked 20 years of successful on-orbit performance Jan. 13, 2013 - 10 years longer than its design life. (Image courtesy of NASA)

News Release:

Photo Release -- NASA's Tracking and Data Relay Satellite Flight 6, Built by Northrop Grumman, Marks 20 Years on Orbit (Issued on 2013-01-24 at 15:20 Eastern)

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