Eintritt in ausländische Armeen

[Turin]

is es nun nicht wegen des amerikanischen personalmangels so, dass man die greencard durch den dienst an der waffe erhält?

Nein.
Das ist der aktuelle Stand:

Can people who lack green cards join the military?

While all immigrants – legal or undocumented, are obligated to register with Selective Service, it is actually pretty difficult to join the military if you lack a green card or are not a citizen or asylees. The military is not supposed to accept undocumented individuals (though we are aware of a number of cases where undocumented immigrants made it into the military anyway) and none of the branches sponsor individuals for non-immigrant or immigrant status (with some minor exceptions).

Von:
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