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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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| 115th Infantry Regt 2nd Bn Machine Gun Coy 4th Pl (Japanese) |
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| 115th Regt Headquarters Signals Coy 1st Pl 2nd Sect (Japanese) |
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| 115th Regt Headquarters Signals Coy 2nd Pl 3rd Sect (Japanese) |
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| 18th Army Intendance Unit (Japanese) |
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| 3rd Landing Unit 2nd Coy 4th Pl (Japanese) |
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| 51st Engineer Regt Materiel Sect (Japanese) |
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| 51st Field Engineer Regt (Japanese) |
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| 51st Independent Engineer Regt (Japanese) |
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| Oikawa Maru (Japanese) |
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