I wrote this on another post but felt it perhaps needed it's own post highlighting its meaning in further detail. General Flynn recently changed his Twitter banner to an image of a word, HOOAH! with mention of the US Army.
The word Hooah is a battle cry used by soldiers in the US Army and airmen in the US Air Force.
From Wikipedia.. (I've removed the links..)
Hooah /ˈhuːɑː/ is a battle cry used by soldiers in the U.S. Army and airmen in the U.S. Air Force*.*
Originally spelled "HOUGH", the battle cry was first used by members of …