U.S. Air Force Air Demonstration Squadron Slot Pilot Thunderbird 4, Maj. Stephen Del Bagno, was killed when his F-16 Fighting Falcon crashed over the Nevada Test and Training Range April 4, 2018, at approximately 10:30 a.m. during a routine aerial demonstration training flight.

http://www.af.mil/News/Article-Display/Article/1486218/thunderbirds-pilot-identified/ DoD News