Submarine Operations - Phojo-Frog

Submarine escape trunk supervisor operates valves outside the escape trunk to flood and drain water and to pressurize and depresurrize the escape trunk chamber above. The flood and drain black hose is visible as is a rolled up combat rubber raiding craft ready to be loaded into the escape trunk.

Militarysubmarineescape trunkoperationstrunk supervisordive supervisortrunk operatorcombat rubber raiding craftCRRCfive inch flooddrain hoseconfined spacetrunk ladderflood and drain valvesblow and vent valves submarine escape trunk operations