A convoy is a group of vehicles, typically motor vehicles or ships, traveling together for mutual support and protection. Often, a convoy is organized with armed defensive support. It may also be used in a non-military sense, for example when driving through remote areas.

Why did ships travel in convoys?

These goods were transported in thousands of merchant ships, which were vulnerable to attack by German submarines (U-boats). As there were not enough warships to protect thousands of individual merchant ships, they were grouped into convoys with naval escorts, making them hard to find and difficult to attack.

How did the convoy system work?

On May 24, 1917, driven by the spectacular success of the German U-boat submarines and their attacks on Allied and neutral ships at sea, the British Royal Navy introduces a newly created convoy system, whereby all merchant ships crossing the Atlantic Ocean would travel in groups under the protection of the British navy ...