Timothy J. Runyan is professor of history at Cleveland State University and editor of The American Neptune journal. Jan M. Copes is lecturer of history at Cleveland State University and assistant editor of The American Neptune.

• Preface -- Introduction: An American Assessment -- The Early Years -- The Atlantic in the Strategic Perspective of Hitler and Roosevelt, 1940-1941 -- The Views of Stimson and Knox on Atlantic Strategy and Planning -- Codes and Ciphers: Radio Communication and Intelligence -- Planning the Defense of the South Atlantic, 1939-1941: Securing Brazil -- Brazil, Espionage, and Dönitz's Dream -- The "Happy Time" -- The Character of the German Naval Offensive: October 1940-June 194 -- The U.S. Navy and Operation Roll of Drums, 1942 -- Squaring Some of the Corners: The Royal Canadian Navy and the Pattern of the Atlantic War -- The Battle of the Atlantic, 1941-1943: Peaks and Troughs -- The U-Boat War off the Outerbanks -- Turning the Tide -- "Situation Extremely Dangerous": Three Atlantic Convoys in February 1943 -- Ultra, Air Power, and the Second Battle of the St. Lawrence, 1944 -- Operation Teardrop Revisited -- Mahan's Principles and the Battle of the Atlantic -- Kapitän Fred Krage: Blockade Runner -- Looking Back -- United States Merchant Marine Casualties -- The Merchant Marine Cadet Corps -- Port in a Storm: The Port of New York in World War II -- The Coast Guard Captains of the Ports -- The Battle of the Atlantic in Feature Films

Timothy J. Runyan is professor of history at Cleveland State University and editor of The American Neptune journal. Jan M. Copes is lecturer of history at Cleveland State University and assistant editor of The American Neptune.

• Preface -- Introduction: An American Assessment -- The Early Years -- The Atlantic in the Strategic Perspective of Hitler and Roosevelt, 1940-1941 -- The Views of Stimson and Knox on Atlantic Strategy and Planning -- Codes and Ciphers: Radio Communication and Intelligence -- Planning the Defense of the South Atlantic, 1939-1941: Securing Brazil -- Brazil, Espionage, and Dönitz's Dream -- The "Happy Time" -- The Character of the German Naval Offensive: October 1940-June 194 -- The U.S. Navy and Operation Roll of Drums, 1942 -- Squaring Some of the Corners: The Royal Canadian Navy and the Pattern of the Atlantic War -- The Battle of the Atlantic, 1941-1943: Peaks and Troughs -- The U-Boat War off the Outerbanks -- Turning the Tide -- "Situation Extremely Dangerous": Three Atlantic Convoys in February 1943 -- Ultra, Air Power, and the Second Battle of the St. Lawrence, 1944 -- Operation Teardrop Revisited -- Mahan's Principles and the Battle of the Atlantic -- Kapitän Fred Krage: Blockade Runner -- Looking Back -- United States Merchant Marine Casualties -- The Merchant Marine Cadet Corps -- Port in a Storm: The Port of New York in World War II -- The Coast Guard Captains of the Ports -- The Battle of the Atlantic in Feature Films

Timothy J. Runyan is professor of history at Cleveland State University and editor of The American Neptune journal. Jan M. Copes is lecturer of history at Cleveland State University and assistant editor of The American Neptune.

• Preface -- Introduction: An American Assessment -- The Early Years -- The Atlantic in the Strategic Perspective of Hitler and Roosevelt, 1940-1941 -- The Views of Stimson and Knox on Atlantic Strategy and Planning -- Codes and Ciphers: Radio Communication and Intelligence -- Planning the Defense of the South Atlantic, 1939-1941: Securing Brazil -- Brazil, Espionage, and Dönitz's Dream -- The "Happy Time" -- The Character of the German Naval Offensive: October 1940-June 194 -- The U.S. Navy and Operation Roll of Drums, 1942 -- Squaring Some of the Corners: The Royal Canadian Navy and the Pattern of the Atlantic War -- The Battle of the Atlantic, 1941-1943: Peaks and Troughs -- The U-Boat War off the Outerbanks -- Turning the Tide -- "Situation Extremely Dangerous": Three Atlantic Convoys in February 1943 -- Ultra, Air Power, and the Second Battle of the St. Lawrence, 1944 -- Operation Teardrop Revisited -- Mahan's Principles and the Battle of the Atlantic -- Kapitän Fred Krage: Blockade Runner -- Looking Back -- United States Merchant Marine Casualties -- The Merchant Marine Cadet Corps -- Port in a Storm: The Port of New York in World War II -- The Coast Guard Captains of the Ports -- The Battle of the Atlantic in Feature Films