. . . . . "the Atlantic" . . "Atlantic 1939\u20131945" . "Atlantic convoy route" . "Atlantic 1941-1942" . "Atlantic theater" . . . . . . . . . . . . . "Atlantic theatre" . . . . . . "Allied victory" . . "graphs" . . . "keeping the sea lanes open" . . . . . "threat from German submarines to allied shipping" . "Atlantic 1941\u20131944" . . . . . . . . . . . "submarine warfare in the Atlantic" . . . "World War II's Battle of the Atlantic" . . "Atlantic, 1939-1945" . "Battle of the Atlantic Campaign Climax" . "convoy" . . . . . . "Atlantic 1944" . . . "Allied campaign against the U-boat menace" . . . "of that name" . "U-boats in the Atlantic Ocean" . "Atlantic 1939-1940" . . "Atlantic battle" . "Atlantic 1940–1941" . "convoy escorts" . . . . "sinkings of merchant ships" . . "Battle of the North Atlantic" . "Biscay Ports" . . . . "Atlantic theaters" . . . . "suffering heavy losses to German U-boats" . . "a commerce war" . "North Atlantic Convoys" . . . "Atlantic 1944\u20131945" . . . . . . "convoy escort in the Atlantic" . . "second Battle of the Atlantic" . . . . "Atlantic 1940-42, 1944" . . . . . . . . . "U-boats surrendering" . . "\\\"Happy Time\\\"" . . . "naval patrols based on the Icelandic coast" . . "its participation in the battle of the Atlantic" . . . . . . "Atlantic 1939-1943" . "Atlantic campaign" . "North Atlantic during World War II" . . "Atlantic 1944-45" . . . . "Biscay" . . . . . "First Battle of the Atlantic" . . . . . . "Atlantic 1940-1943" . . "Atlantic U-boat campaign" . "Atlantic Ocean" . "U-boat campaign" . . . . . "Battle of Atlantic" . . "convoy escort" . . "Atlantic naval campaign (World War II)" . . "Bitwa o Atlantyk 10 V 1942-8 V 1945" . "Atlantic 1941-45" . . . . . . . . . . . "North Atlantic convoys" . . . . . . . . . "communications check-in" . . "Second World War" . . . "Atlantic Theatre" . "instant bearing" . . . . . . "blockade" . "increasingly frequent \\\"incidents\\\"" . "Atlantic 1941\u201345" . . . . . . . . . . "Germany" . "Atlantic operations" . . . . . "Atlantic 1939\u201341" . "convoy duty" . . "Atlantic Theater" . "in the Atlantic" . . "(1939-1945)" . . . . "war in the Atlantic" . . . . "Atlantic 1941\u201343" . "Allied losses increased dramatically" . . . "open-ocean escort missions" . . "British shipping traffic" . . . . "fought in the Atlantic" . "trans-Atlantic convoys" . . . . . . . "Atlantic" . . "Battle of the South Atlantic" . . . . . . . "convoy defence duties" . . "anti-submarine war" . . . . "U-boat offensive" . . "Atlantic 1943" . "Allied convoys" . "British shipping" . . . . . . . "convoys in the North Atlantic" . "Atlantic 1939\u201343" . "Atlantic Campaign" . . . "World War II: Battle of the Atlantic" . . "France" . "The War Against the U-Boats" . . . . "in the Second World Wars" . . . "Poland" . . "Atlantic 1939-45" . "Atlantic convoy defence" . . . . . . "German" . . . "submarine campaign against British merchant shipping" . "Atlantic 1940\u20131942" . . . . . . "Antisubmarine Campaign, American Theater" . "battle of the Atlantic" . . "1940 Atlantic" . . . . . . "combat German and Italian submarines" . . . . "Atlantic convoy" . "Atlantic 1939-1945" . . . . . . . . . "escorted war convoys" . . "submarine campaign in the North Atlantic" . "anti-U-boat activities" . . "South Atlantic" . . . . . . "escorted convoys" . "1939\u201345 Battle of the Atlantic (1939-1945)" . "Battle of the Atlantic" . "Battle of Atlantic Final Years" . . . "Atlantic 1939\u20131944" . "Atlantic convoy duty" . "Atlantic 1941" . "secure the Atlantic" . . . "Antisubmarine, American Theater" . . "Italy" . "battle" . . . "Atlantic supply convoys" . . . . . "Atlantic 1942-43" . . . . . . . . . . "protecting shipping convoys" . "U-boat menace" . . . "Second Battle of the Atlantic" . . "submarine warfare" . "1939-09-03" . . "Battle of the Atlantic (1939\u20131945)" . . . . "South Atlantic Campaign" . "convoy escort duties" . . . . "cross-Atlantic voyages" . "the campaign" . "Winter Offensive" . . "war in the North Atlantic" . . . "U-boat war" . "German submarine menace" . "Atlantic 1943\u201344" . "limited to the Atlantic" . . . . . "Battle of the Atlantic" . . . "Enigma in 1942" . . "Atlantic 1939" . "Atlantic 1940" . "sinking of Allied merchant ships" . . "trans-Atlantic escorts" . . . . . . "enjoyed success" . . . . "U-boat operations in the Atlantic" . "German submarine campaign" . . "Atlantic 1943-1945" . . . . "convoy escort duty" . . . . "Atlantic 1939\u201345" . . . . . "Atlantic convoy defence efforts" . "Atlantic 1939\u20131940" . . "with naval assistance" . "growing U-boat threat" . "defeat of the German U-boats" . . "Atlantic 1944-1945" . "the Happy Time" . "operations in the north Atlantic" . . . . . . "Atlantic 1940-1941" . . . "United States" . "United Kingdom" . "Atlantic Convoys" . "Battle of the Atlantic#Climax of the campaign (March 1943 \u2013 May 1943, \\\"Black May\\\")" . . . . . "Atlantic 1939\u201340" . "Canada" . "German U-boat menace" . "North Atlantic" . "Atlantic convoys" . "German sea war" . . "Atlantic 1941-43" . . . "North Atlantic Naval warfare of WWII" . . . . "escorting convoys" . . . . "October 1940" . "in January and February, 1943" . . . . . . "Norway" . .