This combined synopsis/solicitation is a notice of intent to award on a sole source basis to Mission Systems Orchard Park Inc. (Eaton Corporation) for Parachutist Oxygen Systems at Edwards AFB. The contractor must provide the specified items in the Statement of Requirements, specifically Eaton PHANTOM Parachutist Oxygen Mask Assemblies, ground booster, and associated accessories. The justification is that only Eaton PHANTOM equipment is certified on the USAF PPP Approved For Use List for high-altitude military free-fall and static-line parachuting life support. Although this is not a request for competitive proposals, responsible sources may submit a capability statement, proposal, or quotation for agency consideration. The Government will determine, at its discretion, whether responses warrant a competitive procurement.