Captain (Royal Navy)
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Captain is a senior officer rank of the Royal Navy. It ranks above commander and below commodore and has a NATO ranking code of OF-5. The rank is equivalent to a colonel in the British Army and Royal
A Royal Navy captain's rank insignia (left, with a lieutenant at right) during divisions conducted at HMNB Clyde in January 2013
Captain (naval)
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Captain is the name most often given in English-speaking navies to the rank corresponding to command of the largest ships. The rank is equal to the army rank of colonel and air force rank of group cap
Captain from US Navy (at left) and Senior Captain from PLA Navy, 2015
Front page of the Breve Compendio do que pertence à obrigação de hum Capitão de Mar, & Guerra, or "Brief compendium of what pertains to the obligation of a captain of sea and war" (1676)
Portrait miniature of the Portuguese captain of sea and war André de Sousa Ferreira in 1751.