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  | Rabaul |
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  | 10th Ind Engineer Regt (Japanese) |
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 | 123rd Line of Communication Hospital (Japanese) |
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  | 141st Infantry Regiment (Japanese) |
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 | 141st Infantry Regt 3rd Bn 11th Coy (Japanese) |
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  | 141st Infantry Regt 3rd Bn HQ (Japanese) |
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 | 141st Infantry Regt (Japanese) |
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  | 15th Field Machine-cannon Bty (Japanese) |
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 | 15th Machine-gun Unit (Japanese) |
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  | 170th Infantry Regt (Japanese) |
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 | 17th Army Intendance Dept (Japanese) |
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 | 17th Division 54th Infantry Regt (Japanese) |
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  | 18th Area Army (Japanese) |
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 | 18th Army MO Signal Unit (Japanese) |
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 | 1st Bn (Japanese) |
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 | 1st Pl (Japanese) |
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  | 1st Shipping Regt (Japanese) |
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 | 1st Telegraph Regt Conscript Reserve (Japanese) |
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  | 25th Field Machine Cannon Coy (Japanese) |
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 | 27th Special Base Unit (Japanese) |
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  | 29th Field Machine Cannon Coy (Japanese) |
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 | 2nd Coy (Japanese) |
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  | 31st Sea Duty Coy (Japanese) |
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 | 37th Field Machine Cannon Coy (Japanese) |
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  | 39th Field Anti-aircraft Bn (Japanese) |
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 | 3rd Landing Party HQ (Japanese) |
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  | 3rd Telegraph Regt Conscript Reserve (Japanese) |
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