US 12th Field Artillery Regiment load shells in a field gun and in action in Bois De Belleau, France during World War I.

US 12th Field Artillery Regiment in action in Bois De Belleau, France during World War I. The troops are wearing masks. The soldiers load shells in a field gun. Wooden boxes in the background. The soldiers sit in a dry grassland and are read papers. A soldier on a radio. A field switchboard attached on a wooden log. A US officer looks at a map and draws a line on it. The troops seated on the ground look at the map. The soldier talks over the radio. The soldiers put shells in the wooden boxes.