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Allard Beutel
Headquarters, Washington         July 7, 2003
(Phone: 202/358-4769)

Kylie Moritz
Johnson Space Center, Houston
(Phone: 281/483-5111)

RELEASE: C03-v

SPACE STATION REPLACEMENT BATTERY CONTRACT AWARDED

     NASA has awarded a contract to The Boeing Company, 
Houston, for the procurement of 40 International Space 
Station replacement battery units. The contract facilitates 
the fabrication, assembly, testing and delivery of these 
battery units in advance for the replacement of on-orbit 
batteries.

Each of four power element truss structures on the Space 
Station, P6, P4, S4, and S6, is designed with 12 batteries 
that store power generated by solar arrays. The batteries, 
which are one meter wide, 94 centimeters long and 48 
centimeters high, are designed to last for about six-and-a-
half years and can be replaced while in orbit. Boeing is 
presently under contract to deliver replacement batteries 
for the P6 truss. This new contract requires the purchase of 
replacement batteries for the P4, S4 and S6 elements, with 
an additional four batteries as spares.

The firm-fixed-price contract, valued at $145 million, 
covers work from Feb. 20, 2003, through Sept. 30, 2010. A 
Boeing subcontractor, Space Systems/Loral, in Palo Alto, 
Calif., will perform the fabrication and assembly work.

-end-

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