 Battery 220 was completed but not armed; it was primarily an ammunition bunker for two 6-inch guns that were never delivered.Four Anti-Motor Torpedo Boat (AMTB) batteries were built during the war, two each at Norton Point and Rockaway Point (aka Breezy Point).Norton Point had AMTB 18 with four 3-inch M1902 guns and AMTB 19 with four 90 mm dual-purpose guns.