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The tunnel corridors are each 20 feet wide with 30 foot ceilings that penetrate to a depth of 80 plus feet below the mountain top, with 2-foot-thick concrete walls dug nearly 1,000 feet into the hillside.
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Interspersed throughout the complex are rooms of various sizes that are still equipped with steel rails for overhead cranes.
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training by various units stationed at Fort
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3rd
Combined Arms Battalion conducting subterranean training in West Fort Hood, 2008
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rightNight vision photograph of subterranean training in West Fort Hood, 2014
94:"Training for Underground Warfare at a Nuclear Weapons Complex in Texas"
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Underground operation: Fort Hood tunnels used for training
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