Army - Vietnam Combat Veteran, with 1st Batallion, 21st Artillery, Distinctive Unit Insignia, 1st Cavalry Division - T-Shirts - Classic Color:Military Green Their technical expertise and tactical

Their technical expertise and tactical knowledge are critical to mission success and ship survivability

Featuring authentic Company D insignia and Ranger heritage design

and loading operations

Ranger and airborne qualified veterans

Army - Vietnam Combat Veteran, with 1st Batallion, 21st Artillery, Distinctive Unit Insignia, 1st Cavalry Division - T-Shirts - Classic Color:Military Green Their technical expertise and tacticalThe 21st Field Artillery Regiment is a field artillery regiment of the United States Army first formed in 1916. A parent regiment under the U. S. Army Regimental System, all components of the regiment are currently inactive. The regiment's last active element, 1st Battalion 21st Field Artillery Regiment (United States), inactivated on 12 June 2014.