United States to permit reinforcement at the rate of 4 per month. Unsourced listing of the aforementioned reinforcements For First Army Unnamed follow-on corps 5th Infantry Division 44th Infantry Division 86th Infantry Division For Eighth Army Unnamed follow-on corps 4th Infantry Division 8th Infantry Division 87th Infantry Division United States Army Forces Pacific reserve 11th Airborne Division Unnamed follow-on corps 2nd Infantry Division 28th Infantry Division 35th Infantry Division Strategic reserve 91st Infantry Division 95th Infantry Division 104th Infantry Division British Commonwealth Ground Forces Commonwealth Corps (Lt. Gen. Charles Keightley) 3rd Infantry Division (United Kingdom) 6th Infantry Division (Canada) 10th Infantry Division (Australia) Japan All Japanese formations on Honshu were badly understrength and lacking in equipment. The American First Army's landings would likely have been opposed by the Japanese 52nd Army and the Eighth Army's landings by the Japanese 53rd Army. First General Army Field Marshal Hajime Sugiyama Twelfth Area Army General Shizuichi Tanaka 36th Army – Urawa, Saitama 81st Division 93rd Division 201st Division 202nd Division 206th Division 214th Division 1st Tank Division 4th Tank Division 51st Army – Tsuchiura, Ibaraki 44th Division – Ogawa 151st Division – Mito 221st Division – Kashima 115th Independent Mixed Brigade – Shibasaki 116th Independent Mixed Brigade – Hokota 7th Independent Armored Brigade – Ogawa 52nd Army – Sakura, Chiba 3rd Imperial Guards Division – Naruto 147th Division – Mobara 152nd Division – Choshi 234th Division – Sōsa 3rd Independent Armored Brigade 8th Artillery Headquarters 53rd Army – Isehara, Kanagawa 84th Division – Odarawa 140th Division – Kamakura 316th Division – Isehara 117th Independent Mixed Brigade – Numazu 2nd Independent Armored Brigade – Tsudanuma 11th Artillery Headquarters – Hiratsuka Tokyo Bay Garrison – Choshi, Chiba 321st Division – Tokyoa Notes References Downfall