Mark Lewis, PhD, former US Air Force chief scientist and current director of the Institute for Defense Analyses’ Science and Technology Institute, discusses the outlook for hypersonic systems, ranks US military aircraft and chimes in on the Star Trek vs. Star Wars debate during an interview with Defense & Aerospace Editor Vago Muradian. The interview was conducted during the Air Force Association’s 2017 Air Warfare Symposium in Orlando, Florida, March 1-3, 2017. Our #AWS17 coverage is sponsored by DRS Technologies.