Stetson Conn, Chief Historian of the Department of the Army since 1958, holds the Ph.D. degree in history from Yale University and has taught history at Yale, Amherst College, and The George Washington University. After joining the Office of the Chief of Military History in 1946, he served as senior editor, as Acting Chief Historian, as Chief of the Western Hemisphere Section, and as Deputy Chief Historian before taking over his present post. He is coauthor of The Framework of Hemisphere Defense, the first volume of this subseries, and his previous publications include Gibraltar in British Dip...