 |  | | |
  | Bau-ak |
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  | Biak Island |
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  | Bismarck Sea |
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  | Bobdubi |
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  | Bogia |
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  | Bonga |
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  | Boram |
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  | Bot Bot River |
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  | Buin |
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  | Bumi River |
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  | Buna Area |
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   | Buso River–Finschhafen Area |
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  | But |
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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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