These units grouped not only infantry units, but usually included artillery,
cavalry or armor,
engineer and other support units as well. •
South Seas Detachment - a
brigade-size force formed in 1941 to be the army unit used in the Japanese seizure of the
South Pacific island groups of
Wake,
Guam and the
Gilberts. As part of the
South Seas Force, it fell under
Imperial Japanese Navy command and control. It was drawn from the
55th Division and was commanded by Major General Horii. • Matsumoto Force (led by LtCol. Matsumoto) • Yamamoto Unit (124th Infantry Regiment) (led by Colonel Yamamoto) • Kaneuji Unit (Commanded by Major Kaneuji) • Bodjonegoro Raiding Unit (also designated as Kitamura Force) (Led by LtCol.
Kuro Kitamura) • Tjepoe Raiding Unit (also designated as Tanaka Unit) (Guided by Colonel
Tohru Tanaka) (see
Tjepoe) • Abe Unit (Led for MjrGen.
Koichi Abe) • Imai Unit (Commanded by Colonel
Hifumi Imai) •
Shoji Detachment (Led by Colonel
Toshishige Shoji) •
Nasu Detachment (Guided by MajGen
Yumio Nasu) •
Fukushima Detachment (Command for Colonel
Kyusaku Fukushima) •
Kanemura Detachment (Led by Major
Matabei Kanemura) •
Yamamoto Detachment (also Yamamoto Force) (led by MajGen
Tsunoru Yamamoto) •
Ichiki Detachment (Commanded by MajGen
Kiyonao Ichiki) •
Kawaguchi Detachment (also Kawaguchi Force) (led by MajGen
Kiyotake Kawaguchi) •
Nakai Detachment (Commanded by MajGen
Masutaro Nakai) •
Sakaguchi Detachment (led by MajGen
Shizuo Sakaguchi) •
Hyakutate Detachment (Commanded by MajGen
Haruyoshi Hyakutate) •
Horii Detachment (Led by MajGen Tomitaro Horii) •
Aoba Detachment (built around
4th Infantry Regiment, named after Mt. Aoba) •
Nanyo Detachment (sometimes Itoh Detachment) (Commanded by MajGen Takeo Itoh) •
Harada Detachment (also 2nd Nanyo Detachment Unit) (led by MajGen Yoshikazu Harada) •
Yamagata Detachment (Commanded by MajGen Rikao Yamagata) •
Hokkai Detachment (Hokkai Garrison Unit) (led by Mjr.Matsutoshi Hozumi and MajGen Juichiro Mineki) • Attu Garrison Unit (Commanded by Col. Yasuyo Yamazaki) •
Nanto Detachment (led by MajGen
Minoru Sasaki) •
Sano Detachment (commanded by LtGen. Tadayoshi Sano) •
Kume Detachment (led by LtCol. Kume) •
Sendai Detachment (conformed by elements of 2nd Division, under Commander Sendai) •
Kobayashi Detachment •
Kokushi Detachment •
Yoshida Detachment ==Armored detachments==