Propulsion advances: rotating detonation and nuclear return

Silicon and Sanctuary: From the F-47 to a comeback for hypersonics, it’s been a big year for airpower technology. Dr. Mark Lewis, former chief scientist of the Air Force and head of Purdue’s Applied Research Institute, rates 2025’s developments and picks some technologies to watch in 2026. And in this holiday season, we learn about a small church with big meaning for the United States Air Force and Britain’s Royal Air Force, with The Venerable Dr. Giles Legood, Air Vice-Marshal and Chaplain-in-Chief and Archdeacon for the RAF.    Plus a few headlines in airpower. Powered by GE!