 |  | | |
  | Basama |
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  | Biak |
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  | Bismarck Archipelago |
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|
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  | Blucher Point |
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|
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  | Bogadjim |
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  | Boiken |
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|
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  | Boo Islands |
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|
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  | Borgen Bay |
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|
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  | Bougainville |
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  | Buka Island |
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  | Buna |
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|
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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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