General Dynamics Successfully Modernizes Ground System Terminals for NASA's Next-generation TDRS Satellites

 General Dynamics Successfully Modernizes Ground System Terminals for NASA's
                       Next-generation TDRS Satellites

On-time and on-budget, the updates were completed without disrupting ongoing
NASA Space Network operations.

PR Newswire

LAS CRUCES, N.M., Feb. 28, 2013

LAS CRUCES, N.M., Feb. 28, 2013 /PRNewswire/ -- General Dynamics C4 Systems
successfully completed critical ground system modifications and technology
updates needed to support the mission of NASA's three, next-generation
Tracking and Data Relay Satellites (TDRS).Modifications to the ground
system, located in New Mexico, included integrating advanced command, control
and communications equipment and systems. The work was done without
interrupting the day-to-day operations of the TDRS constellation, which
connects the space agency's spacecraft, including the Hubble Space Telescope
and International Space Station, to mission-critical ground systems.

"General Dynamics is a leader in satellite ground systems and has had
significant involvement in the Earth-based portion of the TDRS program for
more than 30 years," said Chris Marzilli, president of General Dynamics C4
Systems. "We successfully implemented the new technologies and enhanced
capabilities on-budget and on-time for the recent launch of the first
next-generation TDRS satellite, TDRS-K.This is an exceptional achievement
for our team."

General Dynamics leads the modernization of the TDRS ground system as a
subcontractor to The Boeing Company, the prime contractor responsible for
building the three next-generation TDRS satellites. TDRS satellites maintain a
geosynchronous orbit where they have a wide view of Earth. From that position,
the satellites pick up signals from NASA's fleet of Earth-orbiting spacecraft,
relaying their signals to the White Sands ground station.

In addition to supporting the TDRS mission from the ground since 1983, General
Dynamics is the prime contractor for NASA's Space Network Ground Segment
Sustainment (SGSS) project that is modernizing all of NASA's space network
ground communication systems and provides for continuous ground system
technology and system upgrades for the next 25 years.

General Dynamics C4 Systems is a business unit of General Dynamics
(NYSE:GD). More information about General Dynamics C4 Systems' expertise in
building, integrating and sustaining satellite ground systems is available at

More information about General Dynamics is available at

SOURCE General Dynamics C4 Systems

Contact: Media: Fran Jacques, General Dynamics C4 Systems, +1-480-441-2885, or
Investors: Erin Linnihan, General Dynamics, +1-703-876-3583
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