[Soldier aiming rifle from behind barricade, Tai'erzhuang, Xuzhou front, China]

[Republican soldier with rifle, Rio Segre, Aragón front, near Fraga, Spain]

[Soldier aiming rifle from behind barricade, Tai'erzhuang, Xuzhou front, China]

[Soldier aiming rifle from behind barricade, Tai'erzhuang, Xuzhou front, China]

[Soldier with rifle standing behind a barricade, Tai'erzhuang, Xuzhou front, China]

[Soldier aiming rifle towards water from sand bunker, near Guangzhou, China]

Guerrillas retreat after stripping dead soldier for his uniform and rifle, Chalatenango

U.S. Infantry attacking machine gun nests with rifle and hand grenades. Meuse-Argonne.