16-inch/50-caliber M1919 gun
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The 16 inch gun M1919 was a large coastal artillery piece installed to defend the United States' major seaports between 1920 and 1946. It was operated by the United States Army Coast Artillery Corps.
16-inch gun M1919 on barbette mount M1919, Fort Duvall, Boston, Massachusetts.
16 in Mark III coastal defense gun on a proof mount at Aberdeen Proving Ground, Maryland.
A casemated 16-inch gun. Almost all batteries were casemated by 1940, including the M1919 gun batteries in New York and near Boston.
Gun data computer
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The gun data computer was a series of artillery computers used by the U.S. Army for coastal artillery, field artillery and anti-aircraft artillery applications. For antiaircraft applications they were
16-inch/50-caliber M1919 gun
…gun fired a 2,340 lb (1,060 kg). projectile to a range of 26 miles (42 km). The estimated cost of the gun and barbette was $520,000 in 1938. The new M1 Gun Data Computer was used in directing these guns. 16"/50 caliber Mark 2 gun: similar US Navy gun also deployed for coast defense…
FADAC M18
TACFIRE communications terminal box at Fort Sill
AN/GSG-10 TACFIRE