This Request for Proposal (RFP) will result in a single Firm Fixed Price (FFP) award to procure Rocket Motor M32 OR MD98 as follows; MT32 NSN: 1377-01-255-1650 Part Number: 50436-11 or MD98 NSN: 1377-01-318-1830 Part Number: 1340-1. This RFP is restricted to one or a limited number of responsible sources, as authorized by 10U.S.C. 3204(a)(1) and Federal Acquisition Regulation (FAR) Revolutionary FAR Overhaul (RFO) 6.103-1(b). To be eligible for award, the Offeror must submit a valid Qualification Acceptance Letter, or Government approved equivalent, signed by an authorized Government engineer verifying their status as a qualified source for this requirement.