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  | Fergusson Island |
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  | Finschhafen Area |
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   | Fortification Point–Sio Area |
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 | 15th Field Anti-aircraft Machine Cannon Coy (Japanese) |
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  | 17th Div Medical Dept (Japanese) |
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 | 18th Army Medical Sect (Japanese) |
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 | 20th Div 1st Field Hospital (Japanese) |
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  | 20th Div 20th Engineer Rgt 2nd Coy Material Sect (Japanese) |
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 | 20th Div 79th Infantry Regt (Japanese) |
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  | 20th Div Engineer Regt 2nd Coy (Japanese) |
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 | 20th Div HQ Korea 2099 Force (Japanese) |
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 | 20th Div Signals Unit (Japanese) |
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  | 20th Division 4th Field Hospital (Japanese) |
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 | 20th Division 78th Infantry Regt (Japanese) |
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  | 20th Division 79th Infantry Regt (Japanese) |
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 | 20th Division 80th Infantry Regt (Japanese) |
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  | 20th Engineer Regt 2nd Coy 2nd Pl (Japanese) |
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 | 20th Engineer Regt 2nd Coy (Japanese) |
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  | 20th Home Division Medical Unit (Japanese) |
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 | 23rd Chôsen Unit (Japanese) |
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  | 24th Field Machine Cannon Coy 1st Machine Cannon Pl 2nd Sect (Japanese) |
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 | 26th Chôsen Unit (Japanese) |
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  | 27th Chôsen Unit (Japanese) |
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 | 2nd Pl (Japanese) |
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  | 30th Chôsen Unit (Japanese) |
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 | 33rd Independent Engineer Regt 1st Coy (Japanese) |
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  | 33rd Independent Engineer Regt 2nd Coy 3rd Sect (Japanese) |
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