Shawn Warren, the vice president and general manager for large military engines at GE Aviation, discusses the company’s proposals in the US Air Force competition to replace the Pratt & Whitney TF33 engines on the service’s Boeing B-52 Stratofortress bombers with newer, more fuel efficient powerplants 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 Leonardo DRS and L3 Technologies.