The Naval Surface Warfare Center Dahlgren Division (NSWCDD) has a requirement for the manufacturing, assembly, inspection, and delivery of Gun Weapon System (GWS) components such as: Ammunition Handling System (AHS), Gun Mounts (GM), Trainable Gun Mounts (TGM), integration, maintenance and operational kits, gunner protection kits, and all future redesigned and upgraded assemblies that derive from research, prototyping, and developmental stages from Platform Integration Division (H40) projects. Support includes fabrication and delivery of finished components in accordance with (IAW) a Government qualified TDP and packaging and delivery of hardware kits IAW Government qualified packaging and parts lists requirements. This requirement is a direct follow-on to Firm Fixed Price (FFP) Indefinite Delivery Indefinite Quantity (IDIQ) contracts N00178-17-D-0024 with Astro Machine Works and N00178-17-D-0025 with Merrill Aviation,