Lockheed Martin Corp., Lockheed Martin Aeronautics Co., Marietta, Ga., is being awarded a $10,108,886 estimated value indefinite-delivery/indefinite-quantity contract for engineering and logistics services in support of S-3B aircraft. Services to be provided include inspection and maintenance of up to 23 S-3B. Work will be performed in Jacksonville, Fla., and is expected to be completed in September 2006. Contract funds in the amount of $10,108,886 will expire at the end of the current fiscal year. This contract was not competitively procured. The Naval Air Systems Command, Patuxent River, Md., is the contracting activity (N00019-06-D-0002).