Lance Corporal Drew Rothwell, a rifleman with Kilo Company, 3rd Battalion, 4th Marine Regiment, 1st Marine Division, looks at a tablet that has been enhanced with Beartooth radio, test new communication capabilities with a digital radio that pairs with mobile devices to send encrypted short bursts of data via long ranges without reliance on infrastructure, during the Urban Advanced Technologies Exercise 2018 (ANTX18), March 22, 2018. Urban ANTX18 is an innovative approach to concept of...