This Request for Information (RFI) seeks market research for follow-on rocket propulsion testing support, requiring specialized knowledge from bench-scale components to launch booster-class engines. The contractor must engineer, modify, and operate test equipment and propellant systems, including toxic, cryogenic, and explosive materials. Performance of services is at Edwards Air Force Base (EAFB), with incidental real property alterations allowed only when necessary for primary test stand modifications. No specific budget amount or submission timeline is provided in this description. The official program name may change before a formal solicitation is issued.