Port and starboard vessel's starboard side by green and its port side by red. Aircraft are lit in the same way. Port and starboard Port and starboard are nautical and aeronautical terms of orientation that deal unambiguously with the structure of vessels and aircraft. Their structures are largely bilaterally symmetrical, meaning they have mirror-image left and right halves if divided long-ways down the middle. One asymmetric feature is that on aircraft and ships where access is at the side, this access is usually only provided on the port side. To understand which is which, when a person is facing the bow on a
USS Alfred A. Cunningham the destroyer stood in toward the shoreline, turning slowly to starboard to take a northeasterly course to fire on the workmen at the tunnel mouth. At that point, at least three enemy guns opened fire on the ship. The first salvo was a direct hit, on the main deck, starboard side; several pieces of shrapnel penetrated the shield of mount 51 and wounded three of the mount's crew. Two air bursts followed in quick succession, one on either side of the bridge. Within two minutes time, the North Korean guns had registered four more direct hits and at least seven