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| 117th Line of Communication Hospital (Japanese) |
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| 119th Airfield Construction Unit (Japanese) |
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| 119th Field Airfield Construction Unit (Japanese) |
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| 11th Air Fleet (Japanese) |
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| 11th Air Group Headquarters (Japanese) |
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| 11th Air Group (Japanese) |
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| 11th Army (Japanese) |
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| 11th Aviation Education Unit (Japanese) |
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| 11th Division 11th Mountain Artillery Regt 1st Bn 1st Coy 2nd Pl 3rd Sect (Japanese) |
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| 11th Division 12th Field Coy (Australian) |
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| 11th Division Engineer Unit (Australian) |
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| 11TH DIVISION (Australian) |
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| 11th Field Anti-aircraft Defence Unit (Japanese) |
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| 11th Group (Japanese) |
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| 11th Independent Engineer Regt 2 Debarkation Group (Japanese) |
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| 11th Kure Air Defense Unit (Japanese) |
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| 11th Motor Torpedo Boat Sqn (Japanese) |
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| 11th Transport Flying Sqn (Japanese) |
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| 11th Wewak Transport Convoy (Japanese) |
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| 122nd Infantry Regt Conscript Reserve (Japanese) |
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| 122nd Infantry Regt (Japanese) |
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| 123rd Infantry Regiment (Japanese) |
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| 123rd Line of Communication Hospital (Japanese) |
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| 12th Air Brigade (Japanese) |
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| 12th Air Fleet HQ (Japanese) |
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| 12th Army Staff Training Unit (Japanese) |
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| Pacific War (1941-1945) |
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| 12th Field Anti-aircraft Artillery HQ (Japanese) |
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| 12th Field Anti-aircraft Defence Unit (Japanese) |
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| 12th Torpedo Boat Sqn (Japanese) |
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