Rolls Royce Corp., Indianapolis, Ind., is being awarded a $6,455,369 modification to a previously awarded firm-fixed-price contract (N00019-95-C-0209) to exercise an option for Power-By -The Hour maintenance support for the V-22 AE1107C gas-turbine engine. Work will be performed at Marine Corps Air Station New River, N.C. (77 percent); Indianapolis, Ind. (18 percent); and Amarillo, Texas (5 percent), and is expected to be completed November 2006. Contract funds in the amount of $6,455,369 will expire the end of the current fiscal year. The Naval Air Systems Command, Patuxent River, Md. is the contracting activity.