https://www.gao.gov/products/gao-23-106217
https://grandfleet.info/us-related/maintenance-and-operation-costs-of-us-military-aircraft-revealed/
F-35 시간당 41,986달러 (2020년 기준)
나머지 기체는 대충 참고
https://gall.dcinside.com/mgallery/board/view/?id=war&no=3043526