Six months later, after a change of leadership within the U.S. Navy's Bureau of Aeronautics, on 8 March 1939 Pirie was once again instructed to ask the U.S. Navy about the Norden, this time enhancing the deal with offers of British power-operated turrets. However, Pirie expressed concern as he noted the Norden had become as much political as technical, and its relative merits were being publicly debated in Congress weekly while the U.S. Navy continued to say the Norden was "the United States' most closely guarded secret".