. "anti-submarine attacks" . "anti-submarine patrol duty" . "enemy submarines" . "anti-subsurface warfare" . "antisubmarine screen" . "defense against submarines" . "Anti-submarine helicopter" . . . "anti-submarine training" . . "anti-submarine (ASW)" . "ASW (anti-submarine warfare)" . "detection systems" . "anti-submarine duties" . . . . "anti-submarine protection" . . "Anti-submarine auxiliaries" . "anti-submarine weapons" . "antisubmarine patrol" . "ASW technology" . . "submarine warfare" . . "destroy both submarines" . "hunter-killer operations" . "anti-submarine frigates" . "anti-submarine aircraft (ASW)" . "Anti-susbmarine" . "anti-submarine patrol" . "AS" . . "Anti-submarine forces" . . . . "anti-submarine warfare" . "antisubmarine-warfare" . . . "anti-submarine device" . . . "anti-submarine tactics" . "sought out and sank enemy submarines" . . "anti-submarine weapon" . "Anti-submarine Warfare" . "antisubmarine campaign" . . "ASW frigate" . . . . . . "anti-submarine capabilities" . . "anti-submarine techniques" . "Anti-submarine" . "Anti-submarine warfare" . "ASW trawler" . "Anti-Submarine-warfare aircraft" . . "anti-submarine helicopter" . "Naval Control And Protection of Shipping (NCAPS)" . "Anti-submarine warfare" . . . "patrol plane" . "anti-submarine warfare helicopter" . "ASW Aircraft" . . "hunter-killer" . . "antisubmarine warfare squadron" . "counter-measures" . "anti-submarine defence" . . "anti-submarine aircraft" . . "anti-submarine squadron" . "anti-submarine weapons systems" . "Naval warfare helicopter" . "ASW" . . "anti-submarine warfare training" . "antisubmarine" . "ASW capabilities" . . . . "anti-submarine ability" . . "anti-submarine armaments" . . . "Anti-Submarine Warfare" . "Anti-submarine frigates" . . . . "Antisubmarine Warfare (ASW)" . "anti-submarine warfare (ASW)" . "anti-sub" . "anti\u2013submarine operations" . "ASW (Anti-Submarine Warfare)" . . "anti-submarine" . "GASM" . "anti-submarine exercise" . . . "anti-submarine service" . "Anti Submarine Warfare" . "Anti-submarine aircraft" . "anti-submarine weaponry" . "Antisubmarine warfare" . "early stages of the Pacific War" . "submarine hunter-killer group" . . "anti–submarine" . "anti-submarine force" . . "detect submarines" . "anti-submarine air-patrol operations" . . . . . "ADW" . "Anti-submarine boats" . "anti-submarine patrols" . "anti-torpedo" . "antisubmarine training" . "submarine attack" . "World War II Antisubmarine" . "patrolled for submarines" . "anti-submarine vessel" . . "Antisubmarine Division" . "antisubmarine work" . . . "anti-submarine duty" . "anti-submarine sweep" . "Torpedo and anti-submarine warfare" . . . "to protect the fleet from submarines" . "anti-submarine role" . "Anti-subamarine warfare aircraft" . "anti-submarine warships" . "ASW mortars" . "antisubmarine patrols" . . "ASW warships" . . "anti submarine" . . . "destroy submarines" . . "Anti-Submarine Warship" . "anti-submarine patrol and warfare" . "anti-submarine warfare (ASW) operations" . "American Theater Antisubmarine Campaign" . "antisubmarine warfare" . . "Antisubmarine Campaign" . "anti-submarine drills" . "Anti submarine warfare" . "anti-submarine ship" . . "A/S" . "sought out submarines" . "anti-submarine warfare ship" . . . . "antisubmarine operations" . "anti-submarine (ASW) exercises" . . "ASW frigates" . . "targeting dived submarines" . "anti-submarine capability" . . "Anti-Submarine" . "anti-submarine torpedo launchers" . "/ ASW" . "seeking submarines" . . "against submarines" . "anti-submarine operations" . "Anti-submarine warfare helicopter" . "anti-submarine vessels" . "Antisubmarine Warfare" . "ASW helicopters" . "ant-submarine" . . "ASW Helicopters" . "Antisubmarine" . "anti-submarine escort" . . "anti-submarine destroyer" . . . "anti-submarine screen" . . . . "anti-submarine work" . "anti-submarine trawler" . "ASW/ASuW/ELINT/SIGINT" . "submarine detector" . "antisubmarine aircraft" . "anti submarine division" . "ASW forces" . .