Will Roper, PhD, the assistant secretary of the Air Force for acquisition, logistics and technology, discusses his decision to halt deliveries of Boeing’s KC-46A Pegasus tanker aircraft after an tools and manufacturing debris was found on aircraft already delivered to the service and the rationale for potentially acquiring new Boeing F-15X fighters to replace aging F-15C jets with Defense & Aerospace Report Editor Vago Muradian. The interview was conducted at the Air Force Association’s 2019 Air Warfare Symposium in Orlando where our coverage was sponsored by L3 Technologies and Leonardo DRS.