Small though they were, PT boats played a key role in World War II, carrying out an astonishing variety of missions where fast, versatile, and strongly armed vessels were needed. Called «weapons of opportunity,» they met the enemy at closer quarters and with greater frequency than any other type of surface craft. Among the most famous PT commanders was John F. Kennedy, whose courageous actions in the Pacific are now well known to the American public. The author of the book, another distinguished...