Sources Sought DEPT OF DEFENSE Aircraft Manufacturing: The Department of the Air Force is conducting market research to identify potential sources for the procurement of one commercial aircraft, a two-year sustainment package, and contractor logistic support (CLS), and training. The aircraft, specifically a Boeing 737 Next Generation (737-500+), will be used for transportation of personnel and state authorities nationally and internationally, cargo transportation, humanitarian aid, and quick disaster response. The procurement will also include a range of technical specifications and support services. Interested parties should provide documentation to establish their capability to fulfill this requirement.