US now sending Lt. Gen. Antonio A. Aguto Jr (3 star) to spend lengthy times in Kiev, directly advising Ukraine military leadership on an ongoing basis (summary in my own words). This is not a one time or temporary visit
Austin Warns Congress Failing to Pass Ukraine Aid ‘Very Likely’ Leads to US Troops on the Ground In Europe Messenger, 5 December 2023
Lloyd Austin Threatens to Deploy Troops if Ukraine Aid is Shut Down American Greatness, 6 December 2023