Maj. Whit Collins, Thunderbird No. 4, taxi's his F-16D during the Dayton-Vectren Airshow June 22, 2019. From their G-suits to the custom earpieces worn by the pilots to the F-16’s transparent bubble canopy, the fly-by-wire flight controls and the pilot/vehicle interface, AFRL technologies accompany the Thunderbirds around the world as they perform in airshows.(U.S. Air Force photo/Rich Oriez)