United States Army in World War II: The War Department

Strategic Planning for Coalition Warfare, 1943–1944

by Maurice Matloff

. . . To Those Who Served

Table of Contents

Foreword

The Author

Preface

Introduction: The Basis of Strategy

The Grand Alliance—The “Europe First” Decision—The Search for a Strategic Plan: 1941–42

Chapter 1: Casablanca—Beginning of an Era: January 1943

The War Against Germany—The War Against Japan—The “Unconditional Surrender” Announcement—Casablanca in Retrospect

Chapter 2: Advance in the Mediterranean: January–May 1943

Critical Shortages and the Battle of the Atlantic—Windup of the African Campaign—Rearming the French—Commitments to the Middle East—Command Changes: USAFIME, NATO, and ETO—The Problem of the Neutrals: Spain and Turkey

Chapter 3: The Search for a Formula

Role of Airpower—Limiting the Mediterranean Advance

Chapter 4: Mounting Pressures in the Pacific and Far East: January–May 1943

Stalemate in Burma—The Three Demands—The Clash of Personalities—Victory Through Airpower?—Planning for Pacific Operations—System of Command of Joint Operations

Chapter 5: The New Look in Strategic Planning

Reorienting Staff Planning—Strategy and the Manpower Problem—Preparations and Rehearsal for TRIDENT

Chapter 6: The TRIDENT Conference—New Pattern: May 1943

Cross-Channel and Mediterranean Operations—The Pacific and the Far East—The Balance Sheet

Chapter 7: From HUSKY to AVALANCHE: May–Mid–August 1943

Launching HUSKY—Planning Post-HUSKY Operations

Chapter 8: Crossroads in the European War

Search for the Formula Continued—Strategy, Production, and Manpower

Chapter 9: Current Plans and Future Operations in the War Against Japan: June–August 1943

Launching the Central Pacific Thrust—The SWPA Approach to the Philippines—Anticlimax at Kiska—The Assam Bottleneck—Air Operations and Command Problems in the CBI—Origins of the Southeast Asia Command—Sino-British Attitudes and Policies—Planning the Over-all War Against Japan

Chapter 10: QUADRANT—Shaping the Patterns: August 1943

Staff Planning and the President’s Position—The Conferees Assemble—Debating the Issues in the War Against German—Discussion on the War Against Japan—Emerging Strategic Patterns

Chapter 11: “The Mediterranean Again:” August–November 1943

Invasion of Italy—Rome Versus Rhodes—The Balkans and Turkey—Mediterranean Build-up Versus OVERLORD

Chapter 12: Strategy and Command in the War Against Germany

The Problem of Command Organization—The Problem of Selecting a Supreme Commander for OVERLORD

Chapter 13: British-American Plans and Soviet Expectations: August–November 1943

The USSR in British-American Planning—Establishment of the U.S. Military Mission to the USSR—The Moscow Conference—“Fish or Cut Bait”

Chapter 14: Strategic Strands in the War Against Japan: August–November 1943

The Quest for Short Cuts—The Progress of Pacific Operations—Shipping, Deployment, and Rotation—Build-up in Burma—New Techniques and Weapons in the War Against Japan

Chapter 15: Final Rehearsals En Route to Cairo

The JCS Re-examine Plans Against Japan—The President Reviews the Issues

Chapter 16: Cairo-Tehran—A Goal is Reached; November–December 1943

Opening Skirmish at Cairo: 22–26 November—Climax at Tehran: 28 November–1 December—Mop-up at Cairo: 3–7 December—Staff Planning and the Significance of SEXTANT

Chapter 17: Strategic Inventory: December 1943

Growth of the U.S. Army: 1943—Expansion of the Army Overseas—The Tally Sheet

Chapter 18: Concentration for the Big Blow: January–May 1944

Preparations for OVERLORD—OVERLORD Planning and Mediterranean Options—OVERLORD and the Unconditional Surrender Formula

Chapter 19: The Second Front and the Secondary War—The CBI: January–May 1944

The Consequences of SEXTANT—The Fate of SEAC—The Mounting of the B-29 Offensive—The Battle of the Air Transports—The Decline of the CBI

Chapter 20: The Second Front and the Secondary War—The Pacific: January–May 1944

The American Preserve—Options in the Pacific—End of a Mission—Of Troops and Transports—Eve of OVERLORD

Chapter 21: The Promise of Military Victory: D-Day to September 1944

ANVIL: The Last Rounds—CBI: The Asiatic Holding Theater—Target: Philippines—Strangulation or Invasion?

Chapter 22: Political Shadows

The Anglo-American Coalition—The Soviet Ally—The French Problem—Relations With Other Nations

Chapter 23: OCTAGON—End of an Era

The Second Quebec Conference—Expansion and Distribution of U.S. Military Power—The Status of Strategy—Epilogue—Completing the Strategic Patterns—The Challenges of Victory and Peace

Appendix A: Staff Summary of Current and Projected Deployment of American Versus British Forces, Prepared for the Cairo Conference

Appendix B: SEXTANT and the Postwar Political Balance in Asia—A Reflection

Appendix C: Principals at the International Conferences, January 1943–September 1944

Appendix D: Shipment of Divisions Overseas, January 1942–September 1944

Appendix E: Deployment to Principal Theaters, 31 December 1942–30 September 1944

Bibliographical Note and Guide to Footnotes

Index

Tables

1: Tentative Schedule for Operations Against Japan, 1943–44

2: Planning Schedule of Operations, 1944

3: Planners’ Deployment Estimates of March 1943 and Actual Deployment of Forces 31 December 1943

4: Army Overseas Deployment: 31 December 1942–31 December 1943

5: U.S. Overseas Deployment: 31 December 1943

Map

Asia and Adjacent Areas

Illustrations

The Anfa Hotel on the Outskirts of Casablanca—British and American Leaders at Casablanca—Generals Henri Giraud and Charles de Gaulle—High-Ranking Trio in New Delhi—The Federal Reserve Building, Washington, D.C.—General Dwight D. Eisenhower and General Marshall—Lt. Gen. John E. Hull—Château Frontenac, Overlooking the St. Lawrence River—Top Military Planners at Quebec—Members of U.S. and British Staffs, Quebec, 23 August 1943—Secretary of War Henry L. Stimson and General Marshall—General Arnold With Lord Louis Mountbatten—Roosevelt’s Concept of Postwar Occupation Zones for Germany—Aboard the President’s Plane—Mena House, Cairo—The Pyramids—Generalissimo Chiang Kai-shek and Madame Chiang—The Big Three in Portico of the Soviet Legation, Tehran—The Combined Staffs Meeting in Mena House, 4 December 1943—Ismet Inonu, the President of Turkey—Supreme Commander, Allied Expeditionary Force—General Marshall With General Douglas MacArthur—Visitors at Normandy Beachhead, 12 June 1944—President Roosevelt During Pearl Harbor Conference—Guard of Honor on Review at The Citadel—Members of Joint Planning Staff at OCTAGON

All pictures in this volume are from Department of Defense files.