This solicitation is for the software product and supporting product deliverables for the Lockheed Martin Aero (LMA) Software Maintenance contract for the C5M aircraft. The Contractor (independently and not as an agent of the Government) shall provide Support and Sustainment to the Government as identified in the solicitation and the attachments. Performance shall be in accordance with all provisions and specifications as stipulated herein. This effort will be sole-source to LMA.