The Department of the Air Force is seeking a contractor to provide multi-platform sustainment engineering services support. The contract will consist of one 1-year ordering basic period and four 1-year option periods of performance. The contractor will be responsible for submitting an adequate proposal with a validity period of 6 months. The services required include engineering assistance and solutions for issues affecting structures, avionics, accessories, ground support, and commodity items. The contractor must have access to the Original Equipment Manufacturer's (OEM) proprietary internal data systems, detailed design data, or specialized analytical tools. Some key points to consider: * The contract is a sole source requirement to The Boeing Company, Inc. * The contract will consist of one 1-year ordering basic period and four 1-year option periods of performance. * The contractor must have access to the OEM's proprietary internal data systems, detailed design data, or specialized analytical tools. * The services required include engineering assistance and solutions for issues affecting structures, avionics, accessories, ground support, and commodity items.