HUNTSVILLE, AL -- The evolving Multi-Domain Battle concept requires a fundamental shift in the Army’s approach to warfighitng, according to the chief of Training and Doctrine Command. Gen. David Perkins provided an update on the Army's emerging concept March 13 to open the annual Global Force Symposium hosted by the Association of the United States Army. Over the course of the next year, the concept will undergo further refinement, he said, with the objective of enabling "full integration of complex...