| FtMacArthur06 | One of the underground bunker tunnels connecting that various rooms supporting the main gun emplacements. The two large dark objects on the right are inactive sheels used by For MacArthur's main guns. |
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| FtMacArthur06 | One of the underground bunker tunnels connecting that various rooms supporting the main gun emplacements. The two large dark objects on the right are inactive sheels used by For MacArthur's main guns. |
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