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| Basama |
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| Biak |
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| Bismarck Archipelago |
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| Blucher Point |
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| Bogadjim |
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| Boiken |
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| 17th Special Sea Duty Coy (Japanese) |
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| 18th Army (Japanese) |
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| 21st Mortar Bn (Japanese) |
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| 40th Field Road Construction Unit 2nd Coy (Japanese) |
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| 40th Field Road Construction Unit 3rd Coy (Japanese) |
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| 44th Line of Communication Sector Unit (Japanese) |
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| 50th Construction Duty Coy (Japanese) |
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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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