
Lt. Gen. Andrew Gebara, the Air Force’s Deputy Chief of Staff for Strategic Deterrence and Nuclear Integration, said on a Wednesday webinar that the first Sentinel flight test would be “well prior to” 2028. A report by the Government Accountability Office from earlier this year estimated that the first flight test for the Northrop Grumman [NOC]-made intercontinental ballistic missile Sentinel would be delayed to 2028, instead of its original projection of testing in 2026. “I think we’re going to start…