The Barbary navies were not battle fleets. Phased array radar systems are also used by warships of many navies. The factory produced warships for many navies, including the Imperial Japanese Navy. Warships and helicopters from the Japanese and South Korean navies also took part. There were numerous naval battles between the two navies along the Coromandel coast. Rulers have control over armies, navies, and mercenaries they recruit. Littoral combat ships are comparable to the corvettes found in other navies. They were larger ships designed to match the heavier destroyers built by several other navies. In addition there were 25,000 sailors from the Allied merchant navies. The following is the list of fleets of the navies from around the world. Few cruisers are still operational in the world navies. Triremes continued to be the mainstay of all smaller navies. A corresponding rank in some navies is frigate captain. The submarine participated in training exercises with NATO and several navies in the North Atlantic. TMDI99 along with the Brazilian Navy and several NATO navies.