The U.S. Navy and Boeing successfully refueled a Navy E-2D Hawkeye command and control aircraft using an MQ-25 Stingray unmanned aircraft system (UAS/drone) on Wednesday. The mission was the second carrier-based aircraft unmanned refueling mission to be completed using the Boeing-owned MQ-25TM T1 test asset following the successful refueling of a Navy F/A-18 Super Hornet by the UAS tanker last June. The MQ-25 is the first drone to refuel another aircraft in flight.