South Korea, alarmed at what appears to be the North Korean use of a Yu-3 type torpedo to sink one of their warships, has undertaken to reform their armed forces to better deal with tactics like this. North Korea officially denies having anything to do with the loss of the 1200 ton corvette Cheonan, but most North Koreans accept the fact that North Korea did the deed, and northerners are proud of that. Examination of the salvaged wreckage made it clear that it was an external explosion, using military grade explosives, that sank the ship and killed 46 sailors on...