Foreword
_ What a great thing if we could do away with war!
But men are not cast in that mould. We shall continue to have wars； and some day the world is going to have a war to which the present will serve only as a try-out.
When that war comes our country will probably have to bear the burden for the western hemisphere. In that war our navy will be our first line of defense； and what we do for our navy now will have much to do with what our navy will be able to do for us then.
Our navy to-day is made up of good ships and capable, courageous, hard-working officers and men. There are some fuddy-duddies and politicians among them, but most of them are on the job every minute. Their highest hope is the chance to serve their country. The chapters in this book which tell of their U-boat hunting only prove once more their great qualities.
There are chapters in this book which have nothing to do with U-boat hunting, but have much to do with the navy. Such are the two opening ch

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