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 | 14th Field Artillery Regt HQ 3rd Bn Baggage Sect (Japanese) |
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| 14th Pioneer Unit (Japanese) |
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| 14th Working Group (Japanese) |
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| 155th Infantry Regt 3rd Bn 12 Coy (Japanese) |
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| 15th Army (Japanese) |
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| 15th Construction Bn (Japanese) |
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| 15th Construction Unit 2nd Coy 2nd Pl 6th Sect (Japanese) |
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| 15th Field Anti-aircraft Defence HQ (Japanese) |
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| 15th Field Anti-aircraft Machine Cannon Coy (Japanese) |
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 | 15th Field Machine-cannon Bty (Japanese) |
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| Japan–Formosa |
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| Melanesia (PNG, Irian Jaya & Solomon Islands) |
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| Bismarck Archipelago |
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| Huon Peninsula |
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| Lae |
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| Lae–Markham River Area |
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| Melanesia (PNG, Irian Jaya & Solomon Islands) |
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| Mubo–Salamaua Area |
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| New Britain |
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| New Guinea |
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| Rabaul |
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| Rabaul Area |
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| Salamaua |
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| Tuluvu |
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| 15th Field Machine Cannon Coy (Japanese) |
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| 15th Independent Engineer Regt 3rd Coy 1st Pl (Japanese) |
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| 15th Independent Engineer Regt 3rd Coy 4th Pl 3rd Sect (Japanese) |
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| 15th Independent Engineer Regt (Japanese) |
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| 15th Infantry Regt 2nd Machine Gun Unit (Japanese) |
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| 15th Machine-gun Unit (Japanese) |
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