By the authority vested in me as President by the Constitution and the laws of the United States of America, including sections 121 and 12304 of title 10, United States Code, I hereby determine that it is necessary to augment the active Armed Forces of the United States for the effective conduct of Operation Atlantic…
Sounds about right for a staff of officers to do training in another country.
Or this is the start of "advisors" being sent to Ukraine, like they were sent to Vietnam for years before we openly admitted the troops we sent were fighting the war.