[Israeli antiaircraft unit during early morning prayers, in the midst of the Six-Day War, Sinai Desert]

[Soldiers fortifying the destoyed city wall, Tai'erzhuang, Xuzhou front, China]

[Miner at work wearing a fabric over his face, Almaden, Spain]

[Soldiers in training, Tai'erzhuang, Xuzhou front, China]

[Soldiers guarding the town, Tai'erzhuang, Xuzhou front, China]

[Marching soldiers, including Robert Jordan, in farewell ceremony for the International Brigades, near Falset, Spain]

[Republican soldiers sitting in trenches, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldiers carrying stretcher up the hillside, Rio Segre, Aragón front, near Fraga, Spain]