Island located at the western edge of Truk Lagoon. adjacent to Polle and Pata.

About 6,200 men were stationed here, most civilians working for the 4th Naval Construction unit. A thousand men of the 41st and 43 Naval Guard Units were here too. Kaiten torpedoes, a torpedo boat station, observation tower, two search lights and several gun and mortar emplacements made up the island's defenses.