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This is a list of acronyms, expressions, euphemisms, jargon, military slang, and sayings in common or formerly common use in the United States Marine Corps.Many of the words or phrases have varying levels of acceptance among different units or communities, and some also have varying levels of appropriateness (usually dependent on how senior the user is in rank [clarification needed]).
In marine navigation, a pelorus is a reference tool for maintaining bearing of a vessel at sea. It is a "simplified compass" without a directive element, suitably mounted and provided with vanes to permit observation of relative bearings. [1] The instrument was named for one Pelorus, said to have been the pilot for Hannibal, circa 203 BC.
The nautical star is an informal signifier indicating membership in the United States Coast Guard, United States Navy, or United States Marine Corps. The symbol recalls both the five-pointed star of the US national flag and the color pattern of the compass rose found on many nautical charts. Insignia including nautical stars:
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S.S.S. Compass Rose: Petaluma, California Sea Scouts Commissioned into the Sea Scouts in 1959. [123] This boat was condemned and scrapped in 1990. [124] 65' torpedo retriever S.S.S. Makai: Alameda, California Sea Scouts ex-TRB-4 Albatross (65TR674). She was the 2013 Sea Scout national flagship. [125] [126] 65' torpedo retriever S.S.S. Compass Rose
Ritchie thought they could be improved upon, and by 1860 had received a U.S. patent for the first successful and practicable liquid-filled marine compass suitable for general use, [10] [11] a development that has been described as the first major advance in compass technology in several hundred years. [12]
Floating-card compass with prismatic sight (bearing 220° through eyepiece). The marine hand compass, or hand bearing compass|hand-bearing compass as it is termed in nautical use, has been used by small-boat or inshore sailors since at least the 1920s to keep a running course or to record precise bearings to landmarks on shore in order to determine position via the resection technique.
In 1929, May was appointed to the Admiralty Compass Observatory, being Superintendent of Gyro-compasses at Devonport from 1933 to 1936, Malta from 1936 to 1939, and Portsmouth from 1939 to 1942. From 1942 he was responsible for organising installation and services for gyro-compasses as well as for training. [1] Greenwich Flamsteed House