‘Underground’ May Be the U.S. Military’s Next Warfighting Domain – Defense One

The U.S. military is considering adding a new warfighting domain to U.S. military doctrine: the underground realm, said the director of the Defense Intelligence Agency.

“Subterranean is something we are going to have to contend with in the future. You look at the electrical systems…control systems, control grids,” Lt. Gen. Robert Ashley said Tuesday at the Defense One Technology Summit in Washington, D.C.

via ‘Underground’ May Be the U.S. Military’s Next Warfighting Domain – Defense One