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 | 1st Independent Mixed Regt 2nd Bn 4th Coy (Japanese) |
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| 1st Independent Mixed Regt (Japanese) |
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| 1st Machine Gun Unit (Japanese) |
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| 1st Marine Engineer Bn 2nd Coy (Japanese) |
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| 1st Marine Engineer Regt 1st Coy (Japanese) |
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| 1st Marine Engineer Regt Liaison Unit (Japanese) |
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| 1st Marine Engineer Regt (Japanese) |
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| 1st Marine Engineer Workshop (Japanese) |
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| 1st Mixed Regt (Japanese) |
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| 1st Pl (Japanese) |
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| 1st Raid Brigade (Japanese) |
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| 1st Shipping Construction Depot (Japanese) |
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| 1st Shipping Engineer Regt 1st Coy 3rd Pl (Japanese) |
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| 1st Shipping Engineer Regt 1st Coy (Japanese) |
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| 1st Shipping Engineer Regt 2nd Coy (Japanese) |
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| 1st Shipping Engineer Regt 3rd Coy 3rd Pl 4th Sect (Japanese) |
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| 1st Shipping Engineer Regt (Japanese) |
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| 1st Shipping Enginner Regt (Japanese) |
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 | 1st Shipping Regt (Japanese) |
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| Melanesia (PNG, Irian Jaya & Solomon Islands) |
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| Bismarck Archipelago |
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| Gazelle Peninsular |
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| Kabakaul |
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| Kokopo |
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| Malaguna |
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| Melanesia (PNG, Irian Jaya & Solomon Islands) |
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| New Britain |
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| Rabaul |
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| Rabaul Area |
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| 1st Shipping Repair Unit (Japanese) |
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