The Persistent Surveillance and Detection system will be used to strengthen tunnel detection capabilities along the U.S.
Police stumbled upon a disused water tunnel that thieves had transformed into a massive underground garage for stolen cars.
Israel will make dismantling Hamas’ vast tunnel network its top battlefield priority inside Gaza’s “yellow zone,” Defense ...
INDIANAPOLIS — It is one of the largest civil infrastructure projects in the history of Indianapolis: the decades-in-the-making DigIndy Tunnel System. More than 250 feet below the earth's surface, the ...
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