And on the case of the Abrams, the ones being sent over are going to have to have most of their classified shit torn out before they are sent over.

I mean, if we are sending old model M1A1's, there probably isnt much in the way of vital components that are classified anymore. Even stuff that would have been hush-hush in the past (like the gun sights and ballistic computer) are probably obsolete enough to M1A2v4's (and even those might be getting replaced by the AbramsX here in the near future, unless the Army changes their mind on it).