A group of several ships traveling together is called a convoy.
a number of ships is called a fleet.
A convoy.
a group of ships is called a fleet i think... hope i helped!
An armada . Another answer: A group of ships together for protection is called a convoy. An armada is specific to armed war ships preparing to attack.
modern ships are welded, older ships use rivets to hold the steel together
the ships carrying emigrants were called "coffin" ships
they used cords to keep their ships together
Mixed number
The group is called a "herd".
They were called "coffin" ships because a large number of the people who emigrated on the ships died before they could reach there destination.
Ships that never sink are just ships that were lucky, any ship can sink for any number of reasons there is no such thing and a truly unsinkable ship.