First Lieutenant

First Lieutenant is a military rank.

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The rank of Lieutenant has different meanings in different military formations (see comparative military ranks), but in all cases it is common for it to be divided.

Related Topics:
Lieutenant - Comparative military ranks

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In the United States Army, Air Force and Marine Corps, First Lieutenant is the second-lowest ranking commissioned officer. It is one step above the rank of Second Lieutenant. In the British Army and Royal Marines, the rank is only Lieutenant, with no ordinal attached.

Related Topics:
United States Army - Air Force - Marine Corps - Commissioned officer - Second Lieutenant - British Army - Royal Marines - Lieutenant

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In the Royal Navy, the rank of Lieutenant is equivalent to that of a Captain in the army. Aboard a ship, the senior lieutenant was designated as First Lieutenant (familiarly, "Number One") and was the effective second in command. This is still the case, although the First Lieutenant often now holds the rank of Lieutenant Commander. In smaller ships he also holds the position of Executive Officer, although in larger ships he is the XO's deputy.

Related Topics:
Royal Navy - Captain - Lieutenant Commander - Executive Officer

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In the United States Navy, First Lieutenant is a position title and is held by the officer in command of the Deck Department. On smaller ships, a First Lieutenant holds the rank of Lieutenant Junior Grade. On larger vessels, the position is held by a Lieutenant or, in the case of extremely large warships such as aircraft carriers, a Lieutenant Commander or even full Commander. However, on US submarines, where the deck deparment may only have a few junior sailors, the First Lieutenant may be a senior enlisted member, such as a first class petty officer or chief petty officer.

Related Topics:
United States Navy - Lieutenant Junior Grade - Aircraft carrier - Lieutenant Commander - Commander

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In Germany the rank is Oberleutnant.

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