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User:The Pittsburgher/sandbox

User:The Pittsburgher/The Pittsburgher/Sandbox2

General Henry Arnold: bomb tonnage dropped in Pacific Theater by USAAF was to total 1,051,714 in 1945 and 3,167,316 in 1946, excluding the blast yields of atomic weapons.[1]

Date US Japanese
X to X+7 12 divisions, 2 RCTs 6 divisions
X+7 to X+14 13 divisions, 2 RCTs 12 divisions
Final 13 divisions, 2 RCTs 17 divisions
Personnel strength 815,548 (includes 40th Division) 990,000 (Army only)

Includes Imperial Guards Division, part of Tokyo Defense Army. SCAP excludes this division because it wasn't part of the field forces.

Date Allied Japanese
Y-Day 15 divisions 20 divisions
Y+30 25 divisions 28-33 divisions
Final 50 divisions 28-33 divisions
Personnel strength 2,220,000 1,280,000 (Army only)

Japanese Navy Personnel - August 15 1945

JM-85 p. 24 (unclear if it includes SNLFs)

Location Battalions Personnel strength
Miura Peninsula 12 20,000
Kure Naval Base Area 6 10,000
Sasebo Naval Base Area 10 16,000
Maizuru Naval Base Area 6 10,000
Shimokita Peninsula 6 9,000
Chinkai Naval Guard District 3 3,000
Southwestern Shikoku 6 10,000
Total 49 78,000

Demobilization of Japanese Armed Forces, Navy Section

Kyushu Kanto Area
Sasebo Naval District Force 96,590 Yokosuka Naval District Force 181,228
5th Air Fleet 73,354 Honshu Air Fleets 87,761
7th Fleet 12,151 6th Fleet 4,553
Grand Escort Command HQ 23,908
Central Office & Attached Schools 11,633
Operation Olympic Landing Schedule
Date Miyazaki Plain Ariake Bay Kagoshima Satsuma Peninsula General Reserve Outlying Islands
X-5 -- -- -- -- -- 40th Division, 158th RCT
X-Day 25th, 33rd Divisions 43rd Division, 1st Cavalry Division 2nd, 3rd, 5th Marine Divisions -- -- --
X+1 -- Balance of above divisions -- -- --
X+2 41st Division Americal Division, 112th RCT -- -- -- --
X+3 (From General Reserve) 98th, 81st Divisions 158th RCT --
X+4 -- Balance of Americal Div. -- -- --
X+5 -- -- -- 77th Division -- --
X+22 (From General Reserve) 11th Airborne Division --
13 Divisions, 2 RCTs 1 Division, 1 RCT
Final 815,548 men
Operation Coronet Landing Schedule
Date Sagami Bay Boso Peninsula General Reserve Strategic Reserve
Philippines US Mainland Commonwealth Corps
Y-Day 24th, 31st, 37th, 6th, 32nd, 38th Infantry Divisions, 13th, 20th Armored Divisions 7th, 27th, 96th Infantry Divisions, 1st, 4th, 6th Marine Divisions 97th Infantry Division (with Western Force) -- -- --
Y+30 4th, 87th, 8th Infantry Divisions 86th, 44th, 5th Infantry Divisions --
Y+35 (From General Reserve) 2nd, 28th, 35th Infantry Divisions, 11th Airborne Division
Y+60 (Rear Echelon)
After Y+60 (From Strategic Reserve) 95th, 104th, 91st Infantry Divisions 10th Mountain Division, 5 unnamed Armored Divisions, 11 unnamed Infantry Divisions 3rd UK Division, 6th Canadian Division, 10th Australian Division, 2nd New Zealand Division, 1 unnamed Australian Division
25 Divisions 25 Divisions
1,171,646 men

(Incl. 11th AB Div. (8,556) and 81,002 others from Kyushu)

120,000 men 735,000 men 200,000 men
Location Japanese Estimate US Plan
Ariake (Shibushi) Bay 5-6 divisions 3 divisions, 1 RCT
Miyazaki Plain 3-4 divisions 3 divisions
Satsuma Peninsula 2 divisions 3 divisions
Airborne attacks 1-2 divisions --
Makurazaki-Kaimon-dake -- 3 divisions
Tanega-shima 1 brigade (RCT) 1 RCT (contingent)
Koshiki-retto, Uji-gunto, Kusagaki-shima,
Kuro-shima, Kuchino-erabu-shima
-- 1 division
Shikoku 2 divisions --
Reserve 2 divisions 1 airborne division
Total 15-18 divisions, 1 RCT 14 divisions, 2 RCTs
Location Japanese Estimate US Plan
Kujukuri 15 divisions 9 divisions
Sagami Bay 5 divisions 12 divisions
(2 armored)
Airborne attacks 1-2 divisions --
Izu Islands 1 division --
Mishima Beach 1 division --
Omaezaki 1 division --
Reserve 3-5 divisions 4 divisions
(1 airborne)
Total 27-30 divisions 25 divisions


Initial Forces Primary Reserve (1 week) Secondary Reserve (10 days-2 weeks) Tertiary Reserve (Honshu) Shikoku Kanto Plain
6 divisions
(303rd, 206th,
146th, 86th, 156th, 154th)
4 divisions
(216th, 25th,
77th, 212th)
2 division
(57th, 145th)
3 divisions
(231st, 230th, 225th)
2 divisions
(205th, 11th)
3-5 divisions
  1. ^ One World Or None: A Report to the Public on the Full Meaning of the Atomic Bomb. Article "Air Force in the Atomic Age" by General H. Arnold. Retrieved 1/29/2024