By 1950, the army had dismantled all of the fixed gun harbor defenses; the buildings were used for other military purposes or were declared surplus.
[4] Battery 223 was used for radio communications by the navy at some point after 1958, a concrete pad was poured on the top the building to support a Quonset hut.
It is roughly T-shaped, the long portion runs east–west parallel to the beach, the stem of the T extends to the north.
Power was provided by three diesel generators with a gallery of exhaust pipes and mufflers, evaporative water coolers were in a separate room.
The plotting room received coordinates from two towers, which were then used to triangulate the target and produce gun aiming directions.