Bell Boeing Joint Project Office, Amarillo, Texas, is awarded an $11,544,539 modification (P00013) to a firm-fixed-price order (N0001921F0030) against a previously issued basic ordering agreement (N0001917G0002). This modification adds scope to procure three shipsets of proprotor gearboxes in support of the Nacelle Improvements Step 2 requirement for CV-22 aircraft. Work will be performed in Amarillo, Texas (53%); Fort Worth, Texas (46%); and Ridley Park, Pennsylvania (1%), and is expected to be completed in January 2026. Fiscal 2022 aircraft procurement (Air Force) funds in the amount of $11,544,539 will be obligated at the time of award, all of which will expire at the end of the current fiscal year. Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.