The On the Roof Gang (sometimes written On-the-Roof-Gang and abbreviated OTRG) was a group of United States Navy cryptologists and radiomen during World War II who are seen as the forerunners of U.S. Navy cryptology and cryptanalysis.

On-the-Roof Gang: War in the Pacific begins on December 7, 1941. It focuses on the wartime stories of the On-the-Roof Gang intercept operators, some who were stationed in Hawaii, some who survived a torturous existence in a POW camp, others who had to evacuate their intercept sites, and still others who performed intercept operations while at ...

2021年8月20日 · In 1922, the Atlantic and Pacific Fleets were combined to form the U.S. Battle Fleet, with subordinate Atlantic and Asiatic Fleets. Another reorganization, in February 1941, created three separate fleets, Atlantic, Pacific, and Asiatic.</p>

Less well known than Safford or Rochefort, however, is the group of enlisted sailors who became known as the “On-The-Roof Gang.” These sailors were the predecessors of today’s naval enlisted cryptologic professionals; their mission began in response to a period of dedicated expansion by the Imperial Japanese Navy (IJN).

2015年7月3日 · Known as the On-The-Roof Gang (OTRG), they were trained to intercept and analyze Japanese radio communications. This group of dedicated and skilled intercept operators formed the vanguard of U.S. Navy communications Intelligence efforts and laid the cornerstone of Naval Cryptology.

The “On-The-Roof Gang” was a group 150 Navy and 26 Marine Corps enlisted radio operators who were trained to copy Japanese telegraphic code and to intercept and analyze Japanese Naval radio messages.

In September 1937, after about a year at Cavite, Carmichael was transferred to the U.S. intercept site in Shanghai, China. He had long wanted an assignment in that country and felt that it “was...

Matt Zullo’s “On the-Roof Gang - Prelude to War” is a must-read for anyone interested in the Sailors and officers who performed radio intelligence during World War II, providing a priceless advantage to operational commanders.

2024年8月16日 · Less well known than Safford or Rochefort, however, is the group of enlisted sailors who became known as the "On-The-Roof Gang." These sailors were the predecessors of today's naval enlisted cryptologic professionals; their mission began in response to a period of dedicated expansion by the Imperial Japanese Navy (IJN).

home | ON-THE-ROOF GANG