Mili Atoll
The 6th Base Force, under the command of Rear Admiral Monzo Akiyama, and headquartered on Kwajalein since August 1941, was the principal defense force of the islands. Akiyama had his men spread out over a very wide area, with IJN air bases located on Roi-Namur, Mili Atoll, Maloelap, Eniwetok, and Wotje. Garrison troops on the island included the 1st Company, 3rd Mobile Battalion, 1st Amphibious Brigade, plus units of the 2nd Mobile Battalion.