Air Force pilots reach new program milestones in electric vertical takeoff and landing aircraft
                Maj. Mike Corson (left), 418th Flight Test Squadron commander, and Capt. Terrence McKenna, AFWERX Agility Prime test and experimentation lead, perform a pre-flight check on a Joby S4 aircraft. The Joby S4 is a five-seat electric vertical takeoff and landing (eVTOL) aircraft. (Courtesy photo)
                
                    
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