U.S. 37 mm gun crew in action, Saipan, 1944. From left to right are two ammunition carriers, gunner and assistant gunner. Note extended shield.

- Image ID: R2CNDP
U.S. 37 mm gun crew in action, Saipan, 1944. From left to right are two ammunition carriers, gunner and assistant gunner. Note extended shield.
FLHC 1C / Alamy Stock Photo
Image ID: R2CNDP