 These units were situated across a broad area between the Mongi River, east of Lae to Arndt Point, Sattelberg, Joangeng, Logaweng, Finschhafen, Sisi and on Tami Island.The largest concentrations were around Sattelberg and Finschhafen, where the main forces came under the command of Lieutenant General Shigeru Katagiri, commander of the 20th Division.The strength and efficiency of the Japanese units had been reduced by disease, and their employment in road construction tasks between Madang and Bogadjim.