With five entry channels and land for airstrips, Chuuk became the Japanese Imperial Army's main Pacific base in World War II, used by hundreds of ships and tens of thousands of men. Later strikes sank 253 more aircraft and an additional 15 ships. Coral has softened the profiles of war into a home for legions of tropical fish. The lagoon is now the indisputable wreck-diving center of the world. In addition to the ghostly vessels, the sea floor is littered with planes, tanks, bulldozers, shells and torpedoes.
Many wrecks approach the surface, allowing clear views for snorkelers.
Try the Fujikawa Maru, a 132-m armed aircraft ferry with six holds, some containing Zero fighters. Or the submarine 1-169 which sunk when the crew dived in panic with the valves open. Afterward, for a change of pace, take a walk on the main island of Weno, where houses are painted in tropical hues and life is slow. A range of accommodation options is available. Fly from Chuuk to Guam to connect with international routes.