As much as the Keftion was a rather commercial mixed vessel, the Kepen was the archetype of the pre-Hellenistic Egyptian warship. More end of line (for speed and lack of loading), it was constructed in the same way, with boards of cedar wood or other related species (still no pairs), a curb Stitched, beams of transverse reinforcements, and a keel replaced by a rope running from the prow to the stern. The Kepen was also marked by bulwarks protecting rowers and soldiers, a long footbridge serving soldiers and a hune for a watchman / archer. The spur was of course the main weapon of the Kepen, although the fighters approach the enemy ship after watering its bridge with arrows of arrows.

The length of a Kepen could hardly exceed 30 meters. They are known to us by an inscription leaving no doubt and describing well the "Képen" like a warship, and a bas-relief found at Medinet Abou and describing the conquests of Ramesses III in 1170 BC. JC. As early as 1300 BC, Indeed, piracy developed at the same time as the flourishing trade relations that Egypt maintained with the Mycenaean and Cretans, Egypt being the interface between India (counters from 1800 BC thanks to the connecting canal The Nile at the Red Sea) and the Mediterranean. The Egyptians fought naval battles against "pirate" fleets, in fact the forces of the felonious provinces and seafarers, Philistines, Danes and Achaeans, including that of Ramses III in 1190 BC. Jc.