During World War II the Japanese garrison was composed of 21,449 IJA men under the command of Lieutenant-General Sadae Inoue and 8,286 IJN men under the command of Vice-Admiral Kenmi Itoh.
Several large infrastructure projects, including the rebuilding of the bridge connecting Koror and Babeldaob Islands after its collapse in 1996 and the construction of a highway around the rim of Babeldaob, boosted activity at the end of 1990s.
A near complete hull is located in the bush near the airport on Babeldaob, Palau.
Mount Ngerchelchuus is the Republic of Palau's highest point, located at the border of the states of Ngardmau and Ngaremlengui, on the island of Babeldaob.