2 Collective Nouns For Ships
A ship is a large watercraft that travels the world's oceans and other sufficiently deep waterways, carrying passengers or goods, or in support of specialized missions, such as defense, research and fishing.
Historically, a "ship" was a sailing vessel with at least three square-rigged masts and a full bowsprit.
Ships are generally distinguished from boats, based on size, shape, load capacity, and tradition.
"Armada of Ships"
"Fleet of Ships"