The U.S. Army is conducting market research to identify sources capable of providing comprehensive software sustainment services for the Deployable Power Generation and Distribution System (DPGDS) Power Unit, MEP-PU-810D, which was first fielded in FY2021 and has an estimated economic useful life of 17-25 years. The requirement includes program management, systems security engineering, secure software development, software assurance, supply chain risk management, and continuous cybersecurity and vulnerability management. Responses to this Request for Information (RFI) are due 30 days from the posting of the document, with questions due 15 calendar days after posting. The location for potential in-person discussions is Fort Belvoir, VA. No budget information is specified.