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Operation Olympic

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Operation Olympic   >   Invasion Information   >   Casualties

   
 

Casualty Estimates


Approximately 500,000 Purple Heart medals (awarded to those wounded or killed while serving with the US military) were manufactured in anticipation of the invasion. However, nobody knows for sure how many Allied or Japanese casualties an invasion would have resulted in. There have been many estimates over the years (some of the estimates below do not include losses at sea).

Casualty Estimate US/Allied Casualties Japanese Casualties
Joint Chiefs of Staff
(April 1945)
Operation Olympic Wounded: 347,000
Operation Olympic Dead/Missing: 109,000
Operation Coronet Wounded: 744,000
Operation Coronet Dead/Missing: 158,000
TOTAL: 1,200,000
N/A
Admiral Nimitz's Staff
(May 1945)
First 30 Days: 49,000 N/A
General MacArthur's Staff
(June 1945)
First 120 Days: 125,000 N/A
General MacArthur's Staff
(Revised Estimate)
First 120 Days: 105,000 N/A
General Marshall 70,000 ?
Admiral Leahy 268,000 ?
Admiral King 31,000 to 41,000 ?
William Shockley Wounded: 1,300,000 to 3,200,000
Dead: 400,000 to 800,000
Total: 1,700,000 to 4,000,000
Dead: 5,000,000 to 10,000,000
Kyle Palmer Dead: 500,000 to 1,000,000 ?
Herbert Hoover Dead: 500,000 to 1,000,000 ?

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