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U.S. MARINES IN VIETNAM: THE BITTER END 1973-1975

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U.S. MARINES IN VIETNAM

THE BITTER END

1973-1975

by

Major George R. Dunham U.S. Marine Corps

and

Colonel David A. Quinlan U.S. Marine Corps

HISTORY AND MUSEUMS DIVISION

HEADQUARTERS, U.S. MARINE CORPS

WASHINGTON, D.C.

1990

 

 

U.S. Marines In Vietnam

The Bitter End

1973 -1975

Volumes in the Marine Corps Vietnam Series

Operational Histories Series

U.S. Marines in Vietnam, 1954-1964, The Advisory and Combat Assistance Era, 1977

U.S. Marines in Vietnam, 1965, The landing and the Buildup, 1978

U.S. Marines in Vietnam, 1966, An Expanding War, 1982

U.S. Marines in Vietnam, 1967, Fighting the North Vietnamese, 1984

U.S. Marines in Vietnam, 1969, High Mobility and Standdown, 1988

U.S. Marines in Vietnam, 1970-1971, Vietnamization and Redeployment, 1986

In Preparation

U.S. Marines in Vietnam, 1968 U.S. Marines in Vietnam, 1971-1973

Functional Histories Series

Chaplains with Marines in Vietnam, 1962-1971, 1985 Marines and Military Law in Vietnam: Trial by fire, 1989

Anthology and Bibliography

The Marines in Vietnam, 1934-1973, An Anthology and Annotated Bibliography, 1974, reprinted 1983; revised second edition, 1985

Library of Congress Card No. 77-604776 PCN 190-003110-00

For use by the Superintendent of Documents, U.S. Government Printing Office Washington, D.C. 20402

 

 

Foreword

This is the ninth volume in a nine-volume operational and chronological historical series covering the Marine Corps' participation in the Vietnam War. A separate functional series complements the operational histories. This volume details the final chapter in the Corps' involvement in Southeast Asia, including chapters on Cambodia, the refugees, and the recovery of the container ship SS Mayaguez.

In January 1973, the United States signed the Paris Peace Accords setting the stage for democracy in Southeast Asia to test its resolve in Cambodia and South Vietnam. The result was not a rewarding experience for America nor its allies. By March 1975, democracy was on the retreat in Southeast Asia and the U.S. was preparing for the worst, the simultaneous evacuation of Americans and key officials from Cambodia and South Vietnam. With Operation Eagle Pull and Operation Frequent Wind, the United States accomplished that task in April 1975 using Navy ships, Marine Corps helicopters, and the Marines of the III Marine Amphibious Force. When the last helicopter touched down on the deck of the USS Okinawa at 0825 on the morning of 30 April, the U.S. Marine Corps' involvement in South Vietnam ended, but one more encounter with the Communists in Southeast Asia remained. After the seizure of the SS Mayaguez on 12 May 1975, the United States decided to recover that vessel using armed force. Senior commanders in the Western Pacific chose the Marine Corps to act as the security force for the recovery. Marines of 2d Battalion, 9th Marines and 1st Battalion, 4th Marines played a key role in the events of 15 May 1975 when America regained control of the ship and recovered its crew, concluding American combat in Indochina and this volume's history.

Although largely written from the perspective of the III Marine Amphibious Force, this volume also describes the roles of the two joint commands operating in the region: the Defense Attache Office, Saigon, and the United States Support Activities Group, Thailand. Thus, while the volume emphasizes the Marine Corps' role in the events of the period, significant attention also is given to the overall contribution of these commands in executing U.S. policy in Southeast Asia from 1973 to 1975. Additionally, a chapter is devoted to the Marine Corps' role in assisting thousands of refugees who fled South Vietnam in the final weeks of that nation's existence.

The authors, Major George Ross Dunham and Colonel David A. Quinlan, individually worked on this volume while assigned to the History and Museums Division, Headquarters Marine Corps. Colonel Quinlan, who is now retired and resides in Hartford, Connecticut, began the book in 1976. Major Dunham, who recently retired and resides in Dunkirk, Maryland, inherited his co-author's work and completed the majority of the volume during his tour from 1985 to 1990. Both authors are graduates of the U.S. Naval Academy and have advanced degrees. Colonel Quinlan, who was an infantry officer, has a juris doctor degree from George Washington University (1979) and Major Dunham, who was an aviator, has a master of arts degree in history from Pepperdine University (1976).

E. H. SIMMONS

Brigadier General, U.S. Marine Corps (Retired) Director of Marine Corps History and Museums

 

 

Preface

Let every nation know, whether it wishes us well or ill, that we shall pay any price, bear any burden, meet any hardship, support any friend, oppose any foe, to assure the survival and success of liberty.

John F. Kennedy, Inaugural Address 20 January 1961

U.S. Marines in Vietnam: The Bitter End, 1973-1975 is a story about commitment, sacrifice, and the price America and its ally, South Vietnam, paid. It answers no questions, places no blame, and offers no prophetic judgement, but provides an historical account of the end of a state and the beginning of new lives for those fortunate enough to escape that upheaval. This description of the United States Marine Corps' involvement at the bitter end of America's military presence in Southeast Asia also traces the effects of uncontrolled fear on a society fighting for its survival.

The effect of fear on the fighting man on the battlefield was no different in 1975 in South Vietnam than it was more than 2,400 years earlier, when the Athenians fought to defend their beloved city. In preparing his Marines and sailors for battle in the Peloponnesian War of 429 B.C., and anticipating their fear of death, Phormio of Athens told them:

Fear makes men forget, and skill which cannot fight is useless.

The South Vietnamese Armed Forces in the spring of 1975 were rendered useless as a fighting force. No level of training or skill, no program of Vietnamization, no amount of money could have reversed the rampant spread of fear that engulfed all of South Vietnam in March and April of 1975. Incredible acts of courage temporarily checked the nation's slide into oblivion, at places like Xuan Loc and Bien Hoa, but fear ruled the day. Its only antidote, courageous leadership at the highest levels, rapidly disappeared as the NVA war machine gained momentum. As one senior leader after another opted to use his helicopter to evacuate rather than to direct and control the defensive battle, strategic retreats turned into routs and armies turned into mobs of armed deserters. Amidst all this chaos, the U.S. Marine Corps aided its country in the final chapter of the Vietnam War, the evacuation of American citizens, third-country nationals, and as many South Vietnamese as conditions permitted.

To describe those events accurately, the authors used, for the most part, original sources, including interviews of many of the participants. A debt of gratitude is owed to many people for the compilation and collation of that material. In particular, we thank the other Services and their respective historical agencies for their contributions, with a special note of appreciation due to Dr. Wayne W. Thompson and Mr. Bernard C. Nalty, both of the Office of Air Force History, and Dr. Edward J. Marolda of the Naval Historical Center. A large portion of the available source material was provided by the staff of the Marine Corps Historical Center and for that contribution we are very appreciative. In particular, we thank the Historical Center librarian, Miss Evelyn A. Englander, and archivist, Mrs. Joyce Bonnett, and their staffs; the Reference Section (Mr. Danny J. Craw-ford and staff); the Oral History Section (Mr. Benis M. Frank and Mrs. Meredith P. Hart-

ley); and the Publications Production Section (Mr. Robert E. Struder, Mrs. Catherine A. Kerns, Mr. W. Stephen Hill, and Corporal Andre L. Owens III). Of course, history cannot be read until it has been written, and rewritten, and for that demanding task of editing, we thank the Chief Historian, Mr. Henry I. "Bud" Shaw, Jr.; the head of the Vietnam Histories Section, Mr. Jack Shulimson; and our colleagues in the section who had to read our work in its most primitive state (Lieutenant Colonel Gary D. Solis, Major Charles D. Melson, and Mr. Charles R. "Rich" Smith). To those whose names are too many to mention here, we extend our sincerest gratitude for loyalty and special acts of assistance in this project, and for those who reviewed our manuscript and contributed comments and pictures, we offer you a book bearing your imprint, and our thanks. The authors, however, are responsible for the content of the text, including opinions expressed and any errors in fact.

We would like to salute every Marine and American who served in Vietnam and dedicate this book to those who paid the ultimate price for the "survival and success of liberty." In particular, we commend the sacrifice of the four Marines who died in South Vietnam on 29 April 1975: Lance Corporal Darwin D. Judge; Corporal Charles McMahon, Jr.; First Lieutenant Michael J. Shea; and Captain William C. Nystul; and ask that the fourteen Marines who lost their lives on Koh Tang in Cambodia, on 15 May 1975, also not be forgotten.

GEORGE ROSS DUNHAM DAVID A. QUINLAN

 

 

Table of Contents


 

Foreword   iii
Preface   v
Table of Contents.   vii
List of Maps   x
PART I
THE UNITED STATES PRESENCE IN THE WESTERN PACIFIC
1
Chapter 1 The War Goes On   2
Paris Peace Accords   2
The NVA Marshals in the South   7
A Division of Marines   16
Chapter 2 The United States Presence in Southeast Asia   22
The Forces in Thailand   22
The Forces Afloat   27
The III Marine Amphibious Force   29
Americans Ashore   36
The Marines in Vietnam   37
Chapter 3 Contingency Planning   40
The Plan for Cambodia   42
Vietnam   52
Chapter 4 The Fleet Marines are Readied   55
The Air Contingency BLTs   55
The Eagle Pull Command Element   57
The 31st MAU   60
The Other Contingency   65
PART II
SOUTH VIETNAM 67

Chapter 5 The North Vietnamese Winter-Spring Offensive, 1974-75: The Mortal Blow

  68
The Collapse of the Central Highlands   68
Defeat in Military Region 1   76
A Wasted Division.   79
Chapter 6 The Evacuation of South Vietnam's Northern Provinces   85
The Amphibious Evacuation RVN Support Group   85
Initial Operations in Vietnamese Waters   88
Military Sealift Command Operations   92
Meeting the Needs   97
PART III
OPERATION EAGLE PULL 99
Chapter 7 The Evacuation of Phnom Penh   100
The Khmer Rouge   100
The Khmer Communists' Last Dry Season Offensive   102
The Marines Move into Position.   105
Final Preparations Ashore   111
Final Preparations at Sea   115
The Execution of Eagle Pull   119
PART IV
ENDING AN ALLIANCE 125
Chapter 8 The Other Contingency   126
Marine Security Guard Detachment, Da Nang   127
Military Region 2: Nha Trang   131
III MAF and the NVA Onslaught   132
9th MAB and Task force 76   136
The Brigade   138
Chapter 9 Planning the Evacuation   143
Brigade Planning and Liaison   143
The Restructured 9th Marine Amphibious Brigade.   146
The Concept   148
Additional Forces, Plans, and Liaison   152
DAO Planning: The SPG and Project Alamo   155
Chapter 10 The Final Days   160
The AESF   160
Xuan Loc Remembered   168
Saigon and the Final Preparation Pieces   170
Consulate Marines   173
PART V
OPERATION FREQUENT WIND AND A NEW BEGINNING 177
Chapter 11 The Evacuation   178
9th MAB.   181
The DAO Compound   183
The Embassy   195
Chapter 12 Refugee Operations   204
A Link to Freedom: The Exodus and a New Beginning.   204
Way Stations   207
Preparations: 1st Battalion, 4th Marines and the Task Force   212
Evacuation and Passage: Frequent Wind and the AESF's Final Chapter.   216
A Vietnamese City in Guam   222
The Final Link: Camp Pendleton   228
PART VI
AFTER VIETNAM. 237
Chapter 13 Recovery of the SS Mayaguez.   238
The Mayaguez Crisis   238
The Initial Decisions   239
Assault Preparations   242
The First Assault Wave   245
The Linkup   253
The Second Wave   255
The Retrograde   257
The Aftermath   262
Chapter 14 Epilogue.   266
NOTES   269
APPENDICES    
A. Command and Staff List, Southeast Asia, 1973-1975.   281
B. Command Staff, BIT 2/4, 29-30 April 1975   284

C. U.S. Marine Officers Serving in Billets in South Vietnam and USSAG, Thailand, 1973-1975.

  285
D. Company C, Marine Security Guard Battalion, January-April 1975   286
E. Mayaguez Rescue Force (BLTs 2/9 and 1/4), 12-15 May 1975.   287
F. Glossary of Terms and Abbreviations   288
G. Chronology of Significant Events, 1973-1975   294
H. List of Reviewers   296
I. 1st Battalion, 4th Marines Detachments, 3-11 April 1975   298
J. Frequent Wind Forces   299
K. Helicopter Flow Table for Frequent Wind.   300
INDEX   302

 

List of Maps

Ho Chi Minh Trail Network.   9
Southeast Asia, 1973-1975   41
Phnom Penh Evacuation Sites, 1973-1974   49
The Battle of Phuoc Long, December 1974-January 1975   69
The Fall of Ban Me Thuot, 10-18 March 1975.   72
     
Administrative Divisions of South Vietnam   75
Military Region 1, VNMC Division AO, 1 January-15 March 1975   77
Military Region 1, VNMC Division AO, 15-31 March 1975   81
The Khmer Communists' Last Dry Season Offensive   103
Phnom Penh Evacuation Sites, 12 April 1975   112
USS Okinawa and 31st MAU, 1200-2000, 12 April 1975   117
Da Nang City, 27-30 March 1975   130
Administrative Divisions of South Vietnam   134
The Fall of Xuan Loc, 9-22 April 1975   135
Administrative Divisions of South Vietnam   161
The Fall of Saigon, 25-29 April 1975   167
Potential Evacuation Sites   173
USS Okinawa and Task Force 76, 29-30 April 1975   180
DAO/Air America Complex   191
Mayaguez Recovery, 15 May 1975   243

 

 

 

 




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