The Naval Air Systems Command intends to issue a sole-source Delivery Order to the Bell Boeing Joint Project Office for Non-Recurring Engineering to support a Step 2 Engineering Change Proposal for improved PRGB Input Quill/Clutch design on MV-22, CV-22, and CMV-22 Osprey aircraft. Bell Boeing is the only known source with the requisite knowledge, expertise, and engineering data to perform this effort. No specific budget amounts or performance location are mentioned in the description. No non-bid or submission timelines are provided. Interested parties may submit capability statements for consideration, and subcontracting opportunities are available by contacting specified representatives.