# The Victory at Sea

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THE VICTORY AT SEA
Rear Admiral William Sowden Sims U.S. Navy
THE
VICTORY AT SEA
BY REAR-ADMIRAL WILLIAM SOWDEN SIMS
U.S. NAVY
COMMANDER OF THE AMERICAN NAVAL FORCES OPERATING IN EUROPEAN WATERS DURING THE GREAT WAR
IN COLLABORATION WITH
BURTON J. HENDRICK
WITH PORTRAIT AND PLANS
LONDON
JOHN MURRAY, ALBEMARLE STREET, W.
1920
First Edition . . . November 1920
Reprinted . . . . December 1920
All Rights Reserved
Printed by Hasell, Watson & Viney, Ld., London and Aylesbury, England.
TO
THE GALLANT OFFICERS AND MEN
WHOM I HAD THE HONOUR TO COMMAND
DURING THE GREAT WAR
IN
GRATEFUL RECOGNITION OF
A LOYAL DEVOTION TO THE CAUSE
THAT GREATLY LIGHTENED THE
RESPONSIBILITY
BORNE BY
"THE OLD MAN"
PREFACE
This is not in any sense a history of the operations of our naval forces in Europe during the Great War, much less a history of the naval operations as a whole. That would require not only many volumes, but prolonged and careful research by competent historians. When such a work is completed, our people will realize for the first time the admirable initiative with which the gallant personnel of our navy responded to the requirements of an unprecedented naval situation.
​ But this situation bore almost no resemblance to the struggle between the U-boats and the anti-submarine forces of the Allies. Barring a few naval actions between surface vessels, such as the battles of Jutland and of the Falkland Islands, the naval war was, for the most part, a succession of contests between single vessels or small groups of vessels. The enemy submarines sought to win the war by sinking the merchant shipping upon which depended the essential supplies of the allied populations and armies; and it was the effort of the Allies to prevent this, and to destroy submarines when possible, that constituted the vitally important naval activities of the war. By means of strategical and tactical dispositions, and various weapons and devices, now no longer secret, such as the depth charge, the mystery ship, hydrophones, mine-fields, explosive mine nets, special hunting submarines, and so forth, it was frequently possible either to destroy submarines with their entire crews, or to capture the few men who escaped when their boats were sunk, and thus keep from the German Admiralty all knowledge of the means by which their U-boats had met their fate. Thus the mystery ships, or decoy ships, as the Germans called them, destroyed a number of submarines before the enemy knew that such dangerous vessels existed. And even after they had acquired this knowledge, the mystery ships used various devices that enabled them to continue their successes until some unsuccessfully attacked submarine carried word of the new danger back to her home port.
Under such unprecedented conditions of warfare, it is apparent that the Allied navies could not safely tell the public just what they were doing or how they were doing it. All articles written for the press had to be carefully censored, and all of these interesting matters ruthlessly suppressed ; but now that the ban has been removed, it is desirable to give the relatives and friends of the fine chaps who did the good work sufficient information to enable them to understand the difficulty of the problem that was presented to the anti-submarine forces of the Allies, the ​ manner in which it was solved, and the various means invented and employed.
The subject is of course largely technical, but an effort has been made to present the story in such form that the layman can readily understand it. As it is difficult, if not quite impossible, for a naval officer to determine just which of the details that are a part of his daily life, and what incidents of sea experience would interest his civilian friends, the story has been written in collaboration with Mr. Burton J. Hendrick, to whom I am greatly indebted for invaluable assistance ; and who, being an experienced hand at this writing business, deserves all the credit the reader may be disposed to accord him for both the form and such graces of descriptive style as he may be able to detect. While opinions may differ to a certain extent as to the influence exerted upon the campaign by the various forms of tactics, the means and weapons employed, and the general strategy adopted, I have given what I believe to be a consensus of the best informed opinion upon these matters; and I have taken advantage of all of the information now available to insure accuracy in the account of the conditions that confronted the European naval forces, and in the description of the various operations that have been selected as typical examples of this very extraordinary warfare.
It is probably unnecessary to add that this book is published with the full approval of the Navy Department. My correspondence on this subject with the Secretary will be found in the Appendix.
W. S. S.
CONTENTS
* CHAPTERPAGE
* I.When Germany Was Winning the War.................................................................................................................................................................................................................................................................................................................................................................................................1
* II.The Return of the "Mayflower"................................................................................................................................................................................................................................................................................................................................................................................................40
* III.The Adoption of the Convoy................................................................................................................................................................................................................................................................................................................................................................................................78
* IV.American Destroyers in Action................................................................................................................................................................................................................................................................................................................................................................................................99
* V.Decoying Submarines to Destruction................................................................................................................................................................................................................................................................................................................................................................................................141
* VI.American College Boys and Subchasers................................................................................................................................................................................................................................................................................................................................................................................................168
* VII.The London Flagship................................................................................................................................................................................................................................................................................................................................................................................................204
* VIII.Submarine Against Submarine................................................................................................................................................................................................................................................................................................................................................................................................224
* IX.The American Mine Barrage in the North Sea................................................................................................................................................................................................................................................................................................................................................................................................244
* X.German Submarines Visit the American Coast................................................................................................................................................................................................................................................................................................................................................................................................266
* XIFighting Submarines from the Air................................................................................................................................................................................................................................................................................................................................................................................................275
* XII.The Navy Fighting on the Land................................................................................................................................................................................................................................................................................................................................................................................................289
* XIII.Transporting Two Million American Soldiers to France................................................................................................................................................................................................................................................................................................................................................................................................294
* Appendix................................................................................................................................................................................................................................................................................................................................................................................................316
* Index................................................................................................................................................................................................................................................................................................................................................................................................347