The U.S. Navy awarded a contract to The Boeing Co. Aug. 30 for the MQ-25A Stingray, the first operational carrier-based unmanned refueling aircraft. This fixed-price-incentive-firm-target contract with a ceiling price of $805.3 million provides for the design, development, fabrication, test, delivery, and support of four MQ-25A unmanned air vehicles, including integration into the carrier air wing for an initial operational capability by 2024.