Bell Textron Inc., Fort Worth, Texas, has been awarded an estimated $359,868,570 modification (P00055) exercising the five-year option period of a five-year base contract (SPE4AX-17-D-9410) with one five-year option period for H-1 aircraft support. This is a firm-fixed-price, fixed-price incentive, performance-based requirements contract. The performance completion date is Sept. 28, 2030. Using military service is Marine Corps. Type of appropriation is fiscal 2025 through 2030 defense working capital funds. The contracting activity is the Defense Logistics Agency Aviation, Philadelphia, Pennsylvania.