USA still sticking to the idea that only private company employees will have access, manuals, skills, and tools to do the most complicated MRO (maintenance, repair and overhaul) F-35 work:

https://aviationweek.com/defense-sp...rnational-f-35-mro-model-future-programs

What could possibly go wrong
with not fully training local enlisted Air Force, Navy and Marines
and having to ship non-flyable planes to MRO facilities several countries away?

sample quote

The F-35 Joint Strike Fighter program has stood up two MRO facilities for the jet, one in Japan and one in Italy, so international operators do not all need to come back to the U.S. for the work. Bill LaPlante, the under secretary of defense for acquisition and sustainment, says this setup needs to become the norm as key weapons take on more international production and sustainment.
end quote