Date: June 22nd 2007

June 21, 2007

Beth Dickey/Melissa Mathews Headquarters, Washington 202-358-2087/1272

Kim Newton Marshall Space Flight Center, Huntsville, Ala 256-544-0034 CONTRACT RELEASE: C07-25

NASA AUTHORIZES CONTRACT FOR ARES I MATERIALS

WASHINGTON -- NASA has authorized a contract with a maximum value of $16 7 million with Alcoa North American Rolled Products of Bettendorf, Iowa, to supply aluminum lithium plates and metal ingots for early development of the Ares I crew launch vehicles upper stage The firm fixed-price contract has a period of performance through Aug 5, 2008

Ares I is an in-line, two-stage rocket that will transport to low Earth orbit the Orion crew exploration vehicle containing up to six astronauts The first stage will consist of a single reusable solid rocket booster similar to those used on the space shuttle, with an additional fifth segment The second, or upper, stage will consist of a J-2X main engine fueled by liquid hydrogen and liquid oxygen propellants

For information about NASA's Constellation Program, visit:

http://www nasa gov/constellation

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