1-107 Table 1-32.—Sound-Powered Telephone Circuits CIRCUIT PRIMARY CIRCUITS TITLE JA Captain's battle circuit JC Weapons control circuit 10JC Missile battery control circuit JD Target detectors circuit JF Flag officer's circuit 1JG Aircraft control circuit 2JG Aircraft information circuit 2JG1 Aircraft strike coordination circuit 2JG2 Aircraft strike requirement and reporting circuit 2JG3 Aircraft  information circuit CATTC direct line 3JG Aircraft service circuit 4JG1 Aviation fuel and vehicular control circuit 4JG2 Aviation fueling circuit forward 4JG3 Aviation fueling circuit aft 5JG1 Aviation ordnance circuit 5JG2 Aviation missile circuit 6JG Arresting gear and barricade control circuit 9JG Aircraft handling circuit 10JG Airborne aircraft information circuit 11JG Optical landing system control circuit JH Switchboard cross connecting circuit JL Lookouts circuit JK Double purpose fuse circuit JM Mine control circuit JN Illumination control circuit JO Switchboard operators circuit 2JP Dual purpose battery control circuit 4JP Heavy machine gun control circuit 5JP Light machine gun control circuit 6JP Torpedo control circuit 8JP ASW weapon control circuit 9JP Rocket battery control circuit 10JP Guided missile launcher control circuit 3JV Engineer's circuit (boiler) 4JV Engineer's circuit (fuel and stability) 5JV Engineer's circuit (electrical) 6JV Ballast control circuit 11JV Waste control circuit JW Ship control bearing circuit JX Radio and signals circuit 2JZ Damage and stability control 3JZ Main deck repair circuit