The 3-inch Gun, Model of 1902 was the U.S. Army’s first nickel steel, quick-firing field gun with a recoil mechanism. Like its predecessor the 3.2-inch gun M1897, it was a rifled breechloader.
M1905 model
M1902 field gun at the First Division Museum tank park at Cantigny Park.
A 3-inch M1902 field gun exhibited at the Texas Military Forces Museum, Austin, Texas.
A 3-inch M1902 field gun exhibited at the American Legion Hall Post 41, Eustis, Florida.
The 3.2-inch gun M1897 (81 mm), with its predecessors the M1885 and M1890, was the U.S. Army's first steel, rifled, breech loading field gun. It was the Army's primary field artillery piece in the Spanish–American War, Philippine–American War, and Boxer Rebellion from 1898 to 1902.
Model 1885 with crew, Spanish–American War era. Note the three-stage barrel rather than the two-stage barrel used on the Model 1897.
3.2-inch guns being loaded at Tampa FL during the Spanish–American War.
3.2-inch guns of the 6th US Artillery in the Spanish–American War.
3.2-inch guns in the Philippines.