JMSDF Primary Air Unit Order of Battle (As at April 1, 2025) The JMSDF has a requirement for 70 of the Lockheed P-3C Orion’s replacement, the Kawasaki P-1 patrol aircraft. Including the single UP-1 systems testbed/transport aircraft, 38 aircraft are currently (March 2025) primarily assigned to the 3rd Fleet Air Squadron (FAS), which started to … Continue reading JMSDF – Order of Battle