In the Civil War, it was the name of a group of converted gunboats originally of the North Carolina Navy, later transferred to the Confederate States Navy, that operated in and near the North Carolina Sounds from the start of the war until the Battle of Roanoke Island.
It is the term used to describe a fleet of converted yachts used by the US Navy during WWI off the Atlantic Coast of France to patrol for U-boats and provide support for convoys into Brest France. This fleet was also called the 'Suicide Fleet'.
A term used for the fast, wooden Patrol Torpedo (PT) Boats used by the Navy in WWII. The most famous being PT-109, skippered by Lieutenant Junior Grade John F. Kennedy, USN (future U.S. President).
The Seattle branch of the Moped Army is called the Mosquito Fleet in reference to the third of these.
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