(Editor's Note: This story has been updated to reflect additional information received subsequent to publication.) The Army has a new plan for the Lower Tier Air and Missile Defense Sensor program that would accelerate initial fielding by four years to 2023, a revised schedule that addresses congressional concerns about the program and quickens competition between Lockheed Martin and Raytheon which were both tapped for the next phase of the Patriot radar modernization project. Brig. Gen. Robert Rasch, program executive...