THE US NAVY'S ON-THE-ROOF GANG: VOLUME I - PRELUDE TO WAR is an historical novel based on the unknown true-life story of the On-The-Roof Gang, the U.
Navy's fledgling radio intelligence organization in the years leading up to World War II.
It is based on the real life of Harry Kidder, a U.
Navy radioman who first discovered and deciphered Japanese katakana telegraphic code while stationed in the Philippines in the 1920s, discovering that he was listening to Imperial Japanese Navy (IJN) .
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The us navy's on-the-roof gang: volume i - prelude to war, hardcover/Matt Zullo
