In order to support ground operations of the army landing ships and boats were acquired. The Carthaginian fleet scattered and escaped save for seven ships. Many of those aboard the ships perished. Naval operations were governed by standing orders issued to all the ships. Desalination is used on many seagoing ships and submarines. Goods sold to passengers on board ships or aircraft are tax free. Out of the 14 merchant ships sent, nine were sunk. The first steam-powered ships and barges arrived. Tours of ships and shipyards were arranged. A few nations have frigates on display as museum ships. Belisarius succeeded in defeating a Gothic fleet of 200 ships. The production of oil, rubber, merchant ships, and aircraft were prohibited. The US has nine similarly sized Amphibious Warfare Ships. Hits were scored on two ammunition ships and a tanker. Two other U.S. Navy ships, and , were nearby.