US Army

2 US Soldiers with .30 machine gun

https://www.stripes.com/army-honors-wwii-nurse-for-aiding-u-s-troops-during-battle-of-the-bulge-1.163301

Two U.S. soldiers, dug into the snow and dirt east of Bastogne, Belgium, man .30-caliber light machine guns as they keep an eye out for German troops