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Website. marinecorpstimes .com. Marine Corps Times ( ISSN 1522-0869) is a newspaper serving active, reserve and retired United States Marine Corps personnel and their families, providing news, information and analysis as well as community and lifestyle features, educational supplements, and resource guides. It is published 26 times per year.
The United States Marine Corps Officer Candidates School ( OCS) is a training regiment designed to screen and evaluate potential Marine Corps Officers. Those who successfully complete the period of instruction are commissioned as Second Lieutenants in the United States Marines. Unlike the other United States military services, the majority of ...
Nautical time. Nautical time is a maritime time standard established in the 1920s to allow ships on high seas to coordinate their local time with other ships, consistent with a long nautical tradition of accurate celestial navigation. Nautical time divides the globe into 24 nautical time zones with hourly clock offsets, spaced at 15 degrees by ...
Chronometer circa 1844-1860. A marine chronometer is a precision timepiece that is carried on a ship and employed in the determination of the ship's position by celestial navigation. It is used to determine longitude by comparing Greenwich Mean Time (GMT), and the time at the current location found from observations of celestial bodies.
John A. Lejeune, author of Marine Corps Order 47. Prior to 1921, Marines celebrated the recreation of the Corps on 11 July with little pomp or pageantry. [7] On 21 October 1921, Major Edwin North McClellan, in charge of the Corps's fledgling historical section, sent a memorandum to Commandant John A. Lejeune, suggesting the Marines' original birthday of 10 November be declared a Marine Corps ...
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John Harrison (3 April [ O.S. 24 March] 1693 – 24 March 1776) was an English carpenter and clockmaker who invented the marine chronometer, a long-sought-after device for solving the problem of calculating longitude while at sea. Harrison's solution revolutionized navigation and greatly increased the safety of long-distance sea travel.
The automatic identification system ( AIS) is an automatic tracking system that uses transceivers on ships and is used by vessel traffic services (VTS). When satellites are used to receive AIS signatures, the term Satellite-AIS (S-AIS) is used. AIS information supplements marine radar, which continues to be the primary method of collision ...