Without fanfare, the Missile Defense Agency in late January posted on the front page of its public website a new organizational chart that marked the culmination of a project last year to retool bureaucratic structures to now account for a wider array of challenges to U.S. forces, allies and the homeland. MDA Director Vice Adm. Jon Hill -- who took over the agency in late May 2019 after the surprise early retirement of then-Lt. Gen. Sam Greaves -- initiated the...