Estes (AGC 12) - Naval Cruise Book

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i Morton tunes in a receiver. Q 1 l ,L -W 1

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vw It ' p if A' Q 3 1 4 X, -W ix 4? e I f 47 tffff . 4 ' ZX. 2 I 7 i,,,f, ef X I W. . M 6 1 . FM X IW!! g I? IW, 9 w.xwM, 1 f f ag -, 1 ,xx , -as f . ' M its f X W- is ,W f-.aff The keynote of successful amphibious operations is the complete coordination and unity of effort among all the participating elements of land, sea, and air forces. The extreme importance of OR Division's mission requires exact training and absolute control and security which necessitates the use of an exceptionally complex communications system to ensure the immediate and accurate dissemination of information to all Who need to know. This includes military conditions for the Admiral and stores for supply and weather -information for the Navigator. During operations the employment of every piece of radio and related gear is required and We have enough to virtually sink a smaller combatant. Whether its copying code, breaking an encrypted message, or setting up frequencies for the control of a supersonic jet, the job of OR men continues port and starboard. OR DIVISION I I

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OS DIVISION The signalman rating is one of the oldest in the Navy, and visual communications, the first form of nautical communications, continues undiminished in importance to the present day. In all the modern developments We now have in the Navy, nothing has yet been developed to replace visual signaling. There are many circumstances in which flaghoist, semaphore, and signal lights are far superior to radio. This is especially true when security considerations silence all radio communications. Close-in visual communications-r a p i d , secure, effective-that is the specialty of the ship's signal gang. , I f 4 l iw 7 W