Two F-35A Lightning II aircraft assigned to the 388th Fighter Wing, Hill Air Force Base, Utah, fly in formation with NATO allied aircraft after completing a training scenario at Los Llanos Air Base, Spain, June 10, 2019, as part of the Tactical Leadership Programme flying course. The program, designed to enhance relationships and increase interoperability, also allows participants to build cohesiveness and tactical understanding with other allied air forces. (U.S. Navy photo by Mass Communication Specialist 2nd Class Evan Parker)