THIS IS NOT A REQUEST FOR COMPETITIVE PROPOSALS AND NO COMPETITIVE SOLICITATION WILL BE ISSUED. This acquisition is being pursued on a sole source basis under the authority permitting other than full and open competition is Title 10, U.S. Code 2304(c)(1), as implemented by Federal Acquisition Regulation 6.302-1, "Only one responsible source and no other supplies or series will satisfy agency requirements". There is no commitment by the Government to issue a solicitation, make an award or awards, or be responsible for any money expended by interested parties before award of a contract for the effort described above. Information provided herein is subject to change and in no way binds the Government to solicit or award a contract. See Note 22. Small businesses interested in subcontracting possibilities many contact Ms. Vicky Harper-Hall, One Northrop Grumman Ave. M/S 30/K08400/D4, El Segundo, CA 90245, Phone: 310-331-3995, Fax: 310-332-1655.