fleet
A fleet of warships is usually called a fleet, and it includes many auxiliary vessels as well as warships to keep the fleet supplied and operational. Over the centuries smaller units of warships have been known by various names; task force, task group, flotilla, squadron, armada, and others.
triremes
I think your referring to the Spanish Armada.
Any group of warships, under the command of an admiral, can be called a fleet. During the Battle of Tsushima in 1905, Admiral Togo only had 4 battleships in his battle-line; the Russian Admiral (Rozhestvensky) had about 8 battleships. They were both battleship fleets.
A group of pirates is called a tango of pirates.
an armada
Dutch: eskader English: squadron
A fleet of warships is usually called a fleet, and it includes many auxiliary vessels as well as warships to keep the fleet supplied and operational. Over the centuries smaller units of warships have been known by various names; task force, task group, flotilla, squadron, armada, and others.
A collection or group of ships is called a fleet. There are more specific terms for a group of ships. A substantial group of warships is called a naval fleet while a group of small ships is called a flotilla.
Dreadnought, or Battleshiphttp://wiki.answers.com/Q/What_is_a_large_warship_called
armada is a fleet of warships.
A fleet.
the hull
triremes
A group of ships traveling together, typically accompanied by armed troops and warships for protection.
These ships were called ironclads.
A fleet. The term flotilla is also used sometimes.