[Republican soldiers walking along mountain preparing for battle, Rio Segre, Aragon front, near Fraga, Spain]

[Republican soldiers run along the mountain preparing for battle, Rio Segre, Aragon front, near Fraga, Spain]

[The battalion's political commissar and commander, Rio Segre, Aragón front, near Fraga, Spain]

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

[Republican soldiers sitting against a wall, Rio Segre, Aragón front, near Fraga, Spain]

[Discussion and telephone call to army command, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldiers descending mountain, Rio Segre, Aragon front, near Fraga, Spain]

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