The Department of Defense, through the Naval Air Systems Command (NAVAIRSYSCOM), is seeking information regarding the procurement of assistance for the airworthiness validation process and Aircraft Inspection Discrepancy Reports for the CH-53K Low Rate Initial Production (LRIP) Lots 5 and 6. This procurement will involve a sole-source Firm Fixed Price Incentive Firm modification to Contract N0001912C0047 with Sikorsky, A Lockheed Martin Company, which is the sole designer, developer, and manufacturer of the CH-53K aircraft, possessing the unique technical data and knowledge required for this task. The services sought are critical for ensuring the operational readiness and safety of the CH-53K aircraft, which plays a vital role in military operations. Interested parties may direct inquiries to Avery Dawson at avery.j.dawson.civ@us.navy.mil or Kevin Ritter at kevin.m.ritter4.civ@us.navy.mil, noting that this notice is for informational purposes only and does not constitute a solicitation for proposals.