AirTanker Services, operating as AirTanker, is a British aircraft leasing company providing a fleet of Airbus A330 MRTT tanker/transports, known by the service name "Voyager", to the Royal Air Force for the aerial refuelling role. For additional revenue it operates air charter flights using reserve aircraft. It is a consortium of Airbus, Rolls-Royce plc, Cobham plc, Babcock International and Thales Group.