Plus they are no doubt fuselages with serial numbers slapped on the side. the internals and engines that are compatable will have long gone as no doubt the wings to replace those USMC aircraft possibly with high fatigues on them.
When you look at these, the wings are in trestles.
https://toocatsoriginals.tumblr.com/...er-of-harriers
these in 2020 may be the replaced wings