Sgt. McGarrigle testing American-made shells at Aberdeen Proving Grounds, MD on October 27, 1918. The photograph shows an explosion of a powder charge in a 6 Stokes trench mortar. This image is not intended for publication and is for official use only.

---

Size: 8362px × 5644px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: $24013, 1, 27, 30, 1918, aberdeen, activities, american, ammunition, army, artillery, charge, defense, development, equipment, explosion, explosives, facilities, grounds, maryland, mcg, mcgarrigle, md, military, mortar, oct., official, photography, powder, proving, publication, research, science, sgt., shells, soldier, technology, testing, training, trench, war, wartime, weaponry, weapons, world