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A US Navy crewman signals the letter 'U' using flag semaphore during an underway replenishment exercise (2005). Flag semaphore (from the Ancient Greek σῆμα (sêma) 'sign' and - φέρω (-phero) '-bearer' [1]) is a semaphore system conveying information at a distance by means of visual signals with hand-held flags, rods, disks, paddles, or occasionally bare or gloved hands.
Naval flag signalling undoubtedly developed in antiquity in order to coordinate naval action of multiple vessels. In the Peloponnesian War (431 – 401 BCE) squadrons of Athenian galleys were described by Thucydides as engaging in coordinated maneuvers which would have required some kind of communication; [1] there is no record of how such communication was done but flags would have been the ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 15 January 2025. Letter names for unambiguous communication Not to be confused with International Phonetic Alphabet. Alphabetic code words A lfa N ovember B ravo O scar C harlie P apa D elta Q uebec E cho R omeo F oxtrot S ierra G olf T ango H otel U niform I ndia V ictor J uliett W hiskey K ilo X ray L ...
A designator flag is used to indicate if a flaghoist signal is meant to be interpreted as an ICS signal or as a naval signal. The U.S. Navy uses a set of 68 flags, including flags for each letter of the alphabet and each numeral to convey messages of tactical or administrative nature. [2] [better source needed]
With a sinister hoist, the semaphore flag. P Papa [ˈpa.pə] The Blue Peter. In harbour: All persons should report on board as the vessel is about to proceed to sea. At sea: It may be used by fishing vessels to mean: "My nets have come fast upon an obstruction." Q Quebec [kəˈbɛk] "My vessel is 'healthy' and I request free pratique." R Romeo ...
The spelling alphabet is now also defined in other unclassified international military documents. [3] The NATO alphabet appeared in some United States Air Force Europe publications during the Cold War. A particular example was the Ramstein Air Base Telephone Directory, published between 1969 and 1973 (currently out of print).
While there was certainly a Signalman rating before World War II (the Signalman rating is one of the oldest in the Navy), a specialized Signalman rating was established shortly after the war. Then, Signalmen were identified by the symbol of two crossed semaphore flags on the left sleeve of the uniform, integrated with their rank insignia.
By 1653, the Royal Navy had issued instructions by which an admiral could signal various orders by hoisting flags in various locations on his ship. Modern naval code signalling began with the invention of maritime signal flags in the mid-17th century by the then-Duke of York (subsequently James II of England ) [ 2 ] who was created Lord High ...