Battery AMTB 12 - Swinburne Island

 (1943-1946) - Battery AMTB 12 - Swinburne Island was a reinforced concrete World War II AMTB rapid fire 90mm gun battery on the manmade Swinburne Island in New York Harbor near Fort Wadsworth (1), New York. Battery construction started in 1943, was completed in 1943 and transferred to the Coast Artillery for use in 1943. Deactivated in 1946.

History
The AMTB battery at Swinburne Island consisted of two 90mm gun mounted on 90mm M3 gun mounts. Concrete pads for both these guns were laid at south end of the island. The battery had a dual mission of defense against fast enemy motor torpedo boats and enemy aircraft. The effective range of the guns was about 8,000 yards. Each weapon required a crew of 15, 9 men in the gun squad and 6 men in the ammunition squad.



Current Status
Gun pads remain. No period guns or mounts in place.

Sources:

Links: