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  | Bobdubi |
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  | 18th Army 20th Div (Japanese) |
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 | 18th Army 51st Div (Japanese) |
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  | 20th Div 80th Infantry Regt ASA Force 2054 (Japanese) |
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 | 4th Div 30th Independent Engineer Regt (Japanese) |
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  | 51 Div 115th Regt 3 Bn 9 Coy (Japanese) |
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 | 51st Div (Japanese) |
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  | 66th Infantry Regt 2nd Bn SUGIYAMA Unit HQ (Japanese) |
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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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  | Butubutu |
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  | Cape Campbell |
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  | Cape Nelson |
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