Air Chief Marshal Sir Stephen Hillier, RAF, chief of the Royal Air Force, discusses lessons learned from his service’s first 100 years, the newly announced Future Combat Air Strategy and Tempest fighter, the importance breaking the current mold of buying fewer numbers of ever more expensive systems in favor of larger numbers of less expensive ones, RAF vision for its next-generation air platform, tradeoffs needed to achieve efficiency goals expected to be part of the upcoming Strategic Defence and Security Review, and much more during a wide-ranging, July 16, 2018, interview at the 2018 Farnborough International Airshow outside London. Our coverage is sponsored by Farnborough International and Leonardo DRS.