Date: May 1st 2008

April 30, 2008

Michael Curie Headquarters, Washington 202-358-4715 michael curie@nasa gov

Steve Roy Marshall Space Flight Center, Huntsville, Ala 256-544-0034 steven e roy@nasa gov

CONTRACT RELEASE: C08-024

NASA AWARDS EXTERNAL TANK CONTRACT MODIFICATION

WASHINGTON -- NASA has signed a $39 5 million contract modification with Lockheed Martin Space Systems, New Orleans, to implement an external tank program employee retention plan Incentives are being provided to eligible external tank personnel to ensure mission success and construction of the remaining external tanks to support Space Shuttle Program requirements through September 2010

Retention of the knowledgeable and skilled external tank workforce is necessary to produce the remaining shuttle hardware and safely execute all remaining contract requirements This modification supports the agency's priorities of safely flying the space shuttle and completing construction of the International Space Station

The contract will end September 30, 2010 This modification brings the total value of the contract, awarded in October 2000, to $2 967 billion The contract calls for the delivery of 18 external tanks to NASA Eleven tanks remain to be delivered

Work will be performed at NASA's Michoud Assembly Facility in New Orleans; NASA's Marshall Space Flight Center in Huntsville, Ala ; and NASA's Kennedy Space Center, Fla

Lockheed Martin builds, assembles and tests the space shuttle external tanks for NASA at the Michoud facility The external tank holds the liquid hydrogen fuel and liquid oxygen for the shuttle's three main engines It is the largest single component of the space shuttle and the only part of the shuttle that is not reused

At 154 feet tall, the tank is taller than a 15-story building, with a diameter of about 27 5 feet During launch, the tank acts as the structural backbone for the shuttle orbiter and the solid rocket boosters attached to it For more information about NASA's Space Shuttle Program, visit:

http://www nasa gov/shuttle

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