they can cannibalize parts, tanks are not tht difficult to maintain,or Russian or Chinese or even Iranians could come in to do the mechanicsUsing that stuff and maintaining it are two completely different things.
There are more active duty mechanics in the US Army than active duty soldiers.
Of course they dont even need these -the Humvees and MWRAPs are what they will mainly use.
And the amount of small arms is boggling as well as the ammo

