| FtMacArthur05 | During WWII the For MacArthur facilities were made air-tight in expectation of poison gas attacks. Presumably this sign pointed to a room where gas attack victims could get decontaminated. |
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| FtMacArthur05 | During WWII the For MacArthur facilities were made air-tight in expectation of poison gas attacks. Presumably this sign pointed to a room where gas attack victims could get decontaminated. |
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