[Osage Orange]

Secretary of Defense Lloyd Austin threatened to deploy American troops to Ukraine

Can he do that?

[Right Brother]

Of course he can. It’s the new Biden Constitution, fresh off the press.

[ClearCase_guy]

Can he do that?

It's in the Penumbra of the Constitution -- The Secretary of Defense can declare war at any time, against any power, if he doesn't get what he wants.