U.S. Marines Training with 3-Inch Field Gun, 1915-1920

This photograph captures U.S. Marines in the midst of a training exercise with a 3-inch field gun, a piece of artillery that was commonly used during World War I. Taken between 1915 and 1920 by a Bain News Service photographer, the image highlights the military preparations that characterized the era, as the United States was gearing up to enter the war in 1917. The Marines are shown in action, demonstrating their readiness and the emphasis placed on artillery training in the early 20th century.

The 3-inch gun, a lightweight artillery piece, was designed for mobility and effectiveness on the battlefield. Its development stemmed from the evolving demands of warfare, where traditional tactics were rapidly being replaced by more modern strategies. This photograph serves as a visual documentation of that transition, illustrating the Marines commitment to refining their skills and enhancing the nation’s military capabilities during a tumultuous time. The attention to detail in their formation and equipment showcases not only their dedication but also the technological advancements of that period.