Brad Mottier, vice president and general manager for business and general aviation & integrated systems at GE Aviation, and Rob Weiss, executive vice president and general manager of Lockheed Martin’s aeronautics advanced development programs (also known as Skunk Works), discuss contributions to the aircraft, design and engineering challenges, and more during a Dec. 15, 2017, interview with Defense & Aerospace Report Editor Vago Muradian. The interview was conducted following a joint press conference at the National Press Club in Washington.