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Imperial Japanese Army
The 151st Division (第151師団, Dai-hyakugojūichi Shidan) was an infantry division of the Imperial Japanese Army. Its call sign was the Utsunomiya Protection Division (護宇兵団, Gou Heidan). It was formed 28 February 1945 in Utsunomiya as a square division. It was a part of the 16 simultaneously created divisions batch numbering from 140th to 160th.
151st Division (Imperial Japanese Army) Wikipedia
The 151st division was assigned to 51st army in April 1945 and performed a coastal defense duties in Mito, Ibaraki until surrender of Japan 15 August 1945 without seeing an actual combat. 433rd infantry regiment was garrisoning Hitachi, Ibaraki, 434th and 436th - Hitachinaka, Ibaraki, and 435th infantry regiment - Kasama, Ibaraki.