(Editor's Note: This story has been updated to reflect comments made by senior DOD officials at a Pentagon briefing on BBP 3.0.) The Defense Department has updated its premiere acquisition improvement effort, unveiling a variety of new initiatives aimed primarily at driving innovation in the development of next-generation weapon systems and, in some cases, opening the door for a greater government role in industry's independent research and development spending. Better Buying Power 3.0 continues to emphasize affordability constraints and...