
QUANTICO, Va. — As seemingly happens after every major U.S. conflict, Congress is again questioning why the nation should maintain the Marine Corps as an amphibious force when joint warfighting, multi-domain operations and proliferating cruise missiles make another Iwo Jima unlikely.Lt. Gen. Robert Walsh, who as deputy commandant for combat development and integration oversaw creation of the service’s current operating concept, has a simple answer: Marines were doing joint and multi-domain operations before they were cool.Walsh will close a 39-year…