Special Operations Force - N Company - Airborne Ranger - Vietnam Black Beret - Mug electrical As a Sergeant First Class

As a Sergeant First Class

The 5th Infantry Division earned its nickname "Red Diamond" from its distinctive shoulder sleeve insignia featuring a red diamond

and executed complex missions critical to national defense

install rebar for concrete foundations and structures

Special Operations Force - N Company - Airborne Ranger - Vietnam Black Beret - Mug electrical As a Sergeant First ClassThe black beret is a type of headgear. It is commonly worn by paramilitaries and militaries around the world, particularly armored forces such as the British Army's Royal Tank Regiment (RTR), the Royal Canadian Armoured Corps (RCAC), and the Royal Australian Armoured Corps (RAAC). Notable non armored military units to wear the black beret include the Russian Naval Infantry (and formerly Soviet) and Russian OMON units, the United States Air Force