In most cases where the US has supplied this kind of equipment, the locals don’t have the skills to actually work on the vehicles. The maintenance work in these situations is usually contracted out to a company from the US (just another part of the $2T grift).
They can probably figure out how to fix the ground vehicles and keep them running, but aircraft without a proper maintenance schedule will break down very quickly.
They can probably figure out how to fix the ground vehicles and keep them running, but aircraft without a proper maintenance schedule will break down very quickly.