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

[Collage of two prints of explosion in the mountainside, Rio Segre, Aragón front, near Fraga, Spain]

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

[Republican soldiers preparing a telephone wire, Río Segre, Aragón front, near Fraga, Spain]

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

[Republican soldiers during the battle for this strategically located hilltop town, Teruel, Aragón front, Spain]

[Republicans installing anti-aircraft artillery, Rio Segre, Aragón front, near Fraga, Spain]

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