Raytheon Technologies Corp., doing business as Pratt and Whitney Military Engines, East Hartford, Connecticut, is awarded a $111,875,732 contract modification (P00032) to a previously awarded cost-plus-incentive-fee contract (N0001919C0007). This modification extends the period of performance for the Propulsion System Block Four Flight Test Program to December 2026 to provide continued technical engineering, flight test support, special tooling, test equipment repair, and flight test spare and repair parts for the F-35 Lightning II Propulsion System Block Four Flight Test Program for the Navy, Marine Corps, Air Force, and F-35 Cooperative Program Partners (non-U.S. Department of Defense (DOD)). Work will be performed in East Hartford, Connecticut (32%); Edwards Air Force Base, California (33%); and Patuxent River, Maryland (35%), and is expected to be completed in December 2026. Fiscal 2024 research, development, test and evaluation (Air Force) funds in the amount of $11,077,874; fiscal 2024 research, development, test and evaluation (Navy) funds in the amount of $10,517,721; and non-U.S. DOD participant funds in the amount of $4,685,005, will be obligated at time of award, none of which will expire at the end of the fiscal year. Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.