Lieutenant commander

In the Royal Navy, United States Navy, Royal Australian Navy, Royal New Zealand Navy, Canadian Forces Maritime Command (formerly the Royal Canadian Navy), United States Coast Guard, and many other navies and coast guards, a lieutenant commander (lieutenant-commander or Lt Cdr in the RN and abbreviated LCDR in the RAN) is a commissioned officer superior to a lieutenant and subordinate to a commander. The corresponding rank in the British Army, Royal Marines, United States Army, United States Air Force and United States Marine Corps is major, and in the Royal Air Force is squadron leader.

Related Topics:
Royal Navy - United States Navy - Royal Australian Navy - Royal New Zealand Navy - Canadian Forces Maritime Command - Royal Canadian Navy - United States Coast Guard - Commissioned officer - Lieutenant - Commander - Rank - British Army - Royal Marines - United States Army - United States Air Force - United States Marine Corps - Major - Royal Air Force - Squadron leader

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A lieutenant commander is a senior department officer on a large ship or shore installation. He or she may be commanding officer or executive officer (second-in-command) of a smaller ship or installation.

Related Topics:
Department - Ship - Commanding officer - Executive officer - Second-in-command

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Note that unlike similarly-named military ranks (lieutenant colonel, lieutenant general), the title does not indicate a deputy or junior grade of commander, but a senior grade of lieutenant. Lieutenants were commonly put in command of smaller vessels not warranting a commander or captain: such a lieutenant was called a lieutenant commanding or lieutenant commandant in the USN, and a lieutenant in command or lieutenant and commander in the RN. The USN settled on lieutenant commander in 1862, and made it a distinct rank; the RN belatedly followed suit in 1914.

Related Topics:
Lieutenant colonel - Lieutenant general

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