MARINE CORPS BASE CAMP PENDLETON, CA -- The next advanced naval technology exercise for the Navy and Marine Corps, held possibly in the fall, will focus on operating in an urban environment, according to a Marine Corps official. Doug King, Ellis Group director, told Inside the Navy here April 26 urban warfare is one of the military's biggest challenges and is highlighted in the Marine Corps Operating Concept released in September 2016. "We did a lot of work in...