Corporal Hanry Manoni and Sergeant Joseph Loftis sight through a rangefinder in the process of aiming big guns of their artillery battery during Second Army maneuvers in Tennessee.
U.S. Army Signal Corps
1942? (according to the source)
U.S. Army Signal Corps / Library of Congress, Prints &amp; Photographs Division, FSA-OWI Collection, LC-USW33-000260-ZC DLC (see the link bellow)