In the west of the sprawling metropolis that is Tokyo lies Yokota Air Base, a major air transportation hub in the U.S. military’s Indo-Pacific Command’s area of responsibility and a critical waypoint for cargo, passengers and VIPs.
The aircraft were formerly owned by NASA, with two heavily modified in 2015 and used by U.S. Special Operations Command for combat evaluation in the campaign against the Islamic State.
The early arrival of the CV-22s in the Pacific Command area of responsibility addresses "regional security concerns in line with the recently released 2018 National Defense Strategy," according to the Air Force.
China began construction of the base in March last year after it secured of a 10-year lease for what it had said will be a logistics support base used to resupply ships taking part in peacekeeping and humanitarian missions in the Gulf of Aden and Arabian Sea.
North Korea has threatened to shoot down U.S. Air Force bombers conducting flights near the Korean Peninsula. But does the Asian nation have such a capability?