The Boeing KC-46 is a military aerial refueling tanker developed by Boeing for the United States Air Force. It is based on the commercial Boeing 767 aircraft and is designed to refuel a variety of military aircraft in flight, enhancing their operational range and flexibility. Equipped with advanced technology, the KC-46 features a modern refueling system, including a boom and hose-and-drogue systems. It can also carry cargo and personnel, making it a versatile asset for military operations. The KC-46 aims to replace the aging fleet of KC-135 Stratotankers and improve air mobility for the U.S. military.