a large fleet
"The Spanish king assembled an enormous armada of ships to invade England in 1588."
A fleet of warships, especially with reference to the Spanish Armada.
"The historian marveled at how a single cannonball from that infamous armada could sink an entire merchant vessel in seconds."
The Spanish Armada which sailed against England in 1588.
"The history teacher drew a map to show us where the Spanish Armada set sail against England in 1588."