Battery AMTB 2A - Sullivans Island

 (1943-1946) - Battery AMTB 2A - Sullivans Island was a reinforced concrete World War II rapid fire 90mm gun battery built on old Battery Jasper, Fort Moultrie, South Carolina. AMTB stands for Anti Motor Torpedo Boat. Battery construction started 12 Feb 1943, was completed 28 Mar 1943 and transferred to the Coast Artillery for use 2 Jul 1943. Deactivated in 1946.

History
The AMTB battery at Sullivans Island consisted of two 90mm gun mounted on 90mm M3 fixed gun mounts and two mobile 90mm guns on M1A1 mobile carriages. Concrete pads for two fixed guns were laid in front of emplacements 2 and 3 of old Battery Jasper. The two mobile gun positions were laid out in front of emplacements 1 and 4 of old Battery Jasper. 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
No period gun or mounts in place.

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