The torpedoes initially had a similar system where various rangefinders, especially the fifteen-foot rangefinder above the aft torpedo control tower, and deflection sights provided data to a Dreyer table in the torpedo TS adjacent to the 5.5-inch TS on the lower deck.
12.
The torpedo control system was much the same, although entirely separate from the gunnery system . 8 ?30 target designation binoculars were mounted on each side of the bridge and transmitted the target's bearing to the torpedo director located above the primary gunnery DCT above the bridge.
13.
The next month plans were approved to increase the thickness of the main deck over the forward magazines to and to over the rear magazines; her four above water torpedo tubes and their protection were to be omitted and the wall of the torpedo control tower were to be reduced to a thickness of to offset the armour's weight.
14.
But the Torpedo Control Officer aboard " Venus " had made the wrong angle settings on her eight tubes, the opportunity was lost and " Venus " heeled hard over to port to clear the target area but still maintain the encirclement . " Haguro ", thinking " Venus " had launched torpedoes, altered course away to comb the tracks.
15.
Facilities constructed on the island included the Torpedo Control Officers School of the Portland Naval Training Center, a navy supply pier with a naval fuel annex often cited as a source of contamination for both the island's marsh and Casco Bay, and the Naval Auxiliary Air Facility Casco Bay ( NAAF ) seaplane base operated as part of Naval Air Station Brunswick from 14 May 1943 to 15 December 1946.