The U.S. Government requires the integration of PGU-48/B 25mm ammunition for the F-35 B/C variants' Missionized Gun Pod. This acquisition is being pursued on a sole-source basis with Lockheed Martin Aeronautics Company, identified as the only qualified source capable of fulfilling the requirements. Subcontracting opportunities may be available and should be sought directly with Lockheed Martin. The notice is not a request for competitive proposals, but capability statements may be submitted for consideration. The data involved is export-controlled and not available to foreign sources.