Lockheed Martin Corp., Lockheed Martin Aeronautics Co., Fort Worth, Texas.

Lockheed Martin Corp., Lockheed Martin Aeronautics Co., Fort Worth, Texas, is being awarded a $6,000,000,000 indefinite-delivery and indefinite-quantity contract modification to provide for development of system upgrades to existing requirements, incorporate new requirements, add capability

and enhance performance in the F/A-22 Weapon System. Funds will be obligated as individual delivery orders are issued. The Air Force can issue delivery orders totaling up to the maximum amount indicated above, though actual requirements may necessitate less than this amount. The locations of performance are: Lockheed Martin Corp., Fort Worth, Lockheed Martin Corp., Lockheed Martin Tactical Aircraft Systems, Marietta, Ga.; and The Boeing Co., Information Space and Defense Systems, Aircraft and Missile Systems, Seattle. Solicitation began in March 2002 and negotiations were completed in March 2003. This work will be completed by June 2013. The Aeronautical Systems Center, Wright-Patterson Air Force Base, is the contracting activity (F33657-02-D-0009).