Capt. Andrew “Dojo” Olson, F-35 Demonstration Team pilot and commander conducts a pre-flight brief before his final certification flight March 2, 2019, at Davis-Monthan Air Force Base, Ariz. During pre-flight briefs, Olson evaluates the aerial maneuvers and considers variables that could potentially affect his performance such as wind direction, speed and cloud coverage. (U.S. Air Force photo by Senior Airman Alexander Cook)