U.S. Marine Cpl.Dmitry Kavaliou th 60mm mortars section leader with Kilo Company, 3rd Battalion, 4th Marine Regiment, 1st Marine Division shows a tethered reconnaissance Unmanned Aircraft Systems (UAS) during Urban Advanced Naval Technology Exercises 2018 (ANTX18) at Camp Pendleton, California, March 20, 2018. Urban ANTX18 is an exercise led by the Navy Research and Research and Development Establishment (NR&DE) where industry, academia and Government research and development (R&D) organizations are invited to demonstrate emerging technology and engineering innovations in operationally relevant environments and scenarios. The exercise is focused on mission essential tasks. (U.S. Marine Corps video by Lance Cpl. Cutler Brice)