The chief executive of Northrop Grumman said today she would like to see increased partnership on defense acquisition programs between the United States and its foreign allies, especially when it comes to developing weapon systems. “Co-development would be ideal,” Northrop CEO Kathy Warden said during an event at the Brookings Institute. While Warden said the “foundation is there for us to work together,” she asserted that U.S. export controls must be reformed to enable seamless partnerships and increase business opportunities...