The Marine Corps is inviting industry, academia and government research and development organizations to demonstrate during a spring exercise non-developmental technologies, engineering innovations and operational concepts focused on fighting in an urban environment, according to a service official. Doug King, director of the Ellis Group, a unit housed within the Marine Corps Warfighting Laboratory that examines naval warfighting and challenges, told Inside the Navy Sept. 14 his team is looking to identify capabilities for rapid acquisition and prototyping for experimentation...