| Chapter |  | Page | 
	|  | Part A U-Boat Offensive Against Convoys
 December 1942-May 1943
 |  | 
	| I | The Opening of the Convoy Battle | 3 | 
	| II | Transition: January-February 1943 | 13 | 
	| III | Crisis of the North Atlantic Offices, March 1943 | 27 | 
	| IV | Defeat in the North Atlantic | 47 | 
	|  | Part B U-Boat Defensive and U.S. Anti-submarine Activities
 May 1943-May 1944
 |  | 
	| V | The Shift to the Middle and South Atlantic | 71 | 
	| VI | Growth, Significance and Decline of the U-Boat Refueling Fleet | 81 | 
	| VII | U.S. Anti-Submarine CVE Task Groups and the Critical Refueling Rendezvous' of June, July and August | 97 | 
	| VIII | Independent Patrols in Distant Areas, Summer 1943 | 117 | 
	|  | Part C Resumption of Offensive Against Major Convoys
 September 1943-March 1944
 |  | 
	| IX | U-Boats' Defeat Made Emphatic | 125 | 
	| X | Last Challenge of the Pre-schnorchel U-Boats | 131 | 
	|  | Part D From the Invasion of France to the End of the War
 |  | 
	| XI | The U-Boats and the Allied Invasion of France | 141 | 
	| XII | New Challenge | 159 | 
	|  | Part E Blockade Runners: Surface and Submarines
 German Naval Operations in the Far East and Indian Ocean
 |  | 
	| XIII | Surface Blockade Runners, Winter of 1942-43 and 1943-44 | 181 | 
	| XIV | U-Boat Operations in the Indian Ocean and the Far East | 213 |