Thanks for that info. And Michael Flynn was a General in the US army, having served for decades with honor and distinction.
He’s saying Americans don’t have to wear a uniform to become a soldier. All Americans that love their country need to take the oath and become Ditiginal Soldiers. One can fight for one’s country anywhere at anytime without doning a uniform. In other words...Be on call anytime to defend your country.
 If PDJTs reason for what seemed to me to be an untimely tweet was to expose the worthlessness of the WHPC, he did it.
Try not to be caught up in labeling. Doesn’t matter where being a better American comes from.
And try to be more open to our Presidents tweets. Not what the media sewer Rats want to spin them. Just remember he’s tweeting to all people of all areas of life.
It sometimes pertains to another situation and certain people. Not always to you.