Serving in the US armed forces has always been a pathway for immigration and citizenship and is not a free ride to get citizenship either.
Legal immigrants enlisting (enlisting ≠ "taking over") did not become a problem because Jones wanted to make a headline about it.
Had they driven out a large portion of legacy troops with "vaccine" mandates and crippled the rest with "vaccine" induced myocarditis?
They are deliberately being thinned out and replaced.
When the draft was in effect, Green Card holders were subject to being drafted.
For most of my navy career, I didn't have any foreign nationals working for me, as working in the Combat Systems ratings required US citizenship and a security clearance. But even then, I did have some guys in Engineering, Deck and Supply that asked me to be their mentor. In that role, I helped many of them achieve their career goals, including citizenship. Most of these guys, from Somalia, Kenya, Vietnam, Philippines and elsewhere, were more patriotic than many conservatives I know. They were exactly the kind of people we want to become Americans.