Featured in undergroundBYBusiness InsiderApr 29, 2020ShareUS military thinks its next war will be undergroundThe Defense Advanced Research Projects Agency (DARPA) issued a peculiar request over Twitter on Aug. 28, 2019, asking for underground tunnels to use for research — as soon as possible. Though DARPA’s request BYBusiness InsiderApr 29, 2020Share
BYBusiness InsiderApr 29, 2020ShareUS military thinks its next war will be undergroundThe Defense Advanced Research Projects Agency (DARPA) issued a peculiar request over Twitter on Aug. 28, 2019, asking for underground tunnels to use for research — as soon as possible. Though DARPA’s request BYBusiness InsiderApr 29, 2020Share
