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 | 8th Area Army (Japanese) |
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  | FAR EASTERN LIAISON OFFICE (Allied) |
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 | South Seas Force (Japanese) |
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  | Blucher Point |
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  | Bogadjim |
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  | Boiken |
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  | Boo Islands |
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  | Borgen Bay |
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  | Bougainville |
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  | Buka Island |
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  | Buna |
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  | Buso River–Finschhafen Area |
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 | 20th Airfield Bn (Japanese) |
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  | 38th Airfield Bn But Despatched Unit (Japanese) |
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 | 38th Airfield Bn But Remaining Unit (Japanese) |
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  | 80th Infantry Regt 2nd Bn (Japanese) |
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 | Despatched Unit to But of the 20th Airfield Bn (Japanese) |
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  | Despatched Unit to Wakde Island of the 20th Airfield Bn (Japanese) |
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  | Butubutu |
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