Army - Vietnam Combat Veteran, with 1st Batallion, 21st Artillery, Distinctive Unit Insignia, 1st Cavalry Division - T-Shirts - Classic Color:White the P-40's distinctive shark mouth

the P-40's distinctive shark mouth nose art became one of the most recognizable symbols of American air power during WWII

The distinctive unit insignia was originally approved for the 4th Field Artillery Regiment on 29 September 1923

JTF-6 coordinated military support including reconnaissance

Navy Dental Technicians are the skilled professionals who assist Navy dentists in providing comprehensive dental care

Army - Vietnam Combat Veteran, with 1st Batallion, 21st Artillery, Distinctive Unit Insignia, 1st Cavalry Division - T-Shirts - Classic Color:White the P-40's distinctive shark mouthThe 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.