Presolicitation DEPT OF DEFENSE is seeking C-5 Software Sustainment Services in Marietta, GA, USA. This 6-year contract aims to provide software updates for the C-5 aircraft, including addressing deficiency reports and engineering analysis. The deliverables must go through Formal Qualification Testing and be compatible with the C-5M aircraft Operational Flight Program. The contract will have one basic ordering period of 12 months and 5 annual ordering periods. The procurement is a sole source contract to Lockheed Martin Aeronautics. Interested sources should monitor SAM.gov for the Request for Proposal (RFP) release on or after 19 Jan 2024.