support to the program. Work is set to start in 2022. Variants F-15J Single-seat all-weather air-superiority fighter version for the Japan Air Self-Defense Force 139 built under license in Japan by Mitsubishi Heavy Industries in 1981–97, two built in St. Louis. F-15DJ Two-seat training version for the Japan Air Self-Defense Force. 12 built in St. Louis, and 25 built under license in Japan by Mitsubishi in the period 1981–1997. Operators Japan Air Self Defense Force has 155 F-15J and 45 F-15DJ aircraft in service as of 2020. 2nd Air Wing Chitose Air Base 201st Tactical Fighter Squadron (1986–) 203rd Tactical Fighter Squadron (1983–) 6th Air Wing Komatsu Air Base 303rd Tactical Fighter Squadron (1987–) 306th Tactical Fighter Squadron (1997–) 5th Air Wing Nyutabaru Air Base 202nd Tactical Fighter Squadron (1981–2000) 305th Tactical Fighter Squadron (1993–) 9th Air Wing Naha Air Base 204th Tactical Fighter Squadron (1984–) 304th Tactical Fighter Squadron (1990–) Air Development and Test Wing 23rd Flying Training Squadron (2000–) Specifications (F-15J) See also References Citations Bibliography Jenkins, Dennis R. McDonnell Douglas F-15 Eagle, Supreme Heavy-Weight Fighter. Hinckley, UK: Midland Publishing, 1998. . External links F-15J at Globalsecurity.org F-15J F-15J Twinjets Japan–United States military relations Aircraft first flown in 1980 Twin-tail aircraft