U.S. Air Force on Instagram: "Maching Bird 🐦 An F-35A Lightning II aircraft maneuvers through the "Mach Loop," Wales, United Kingdom, a demanding low-level training route where pilots refine tactical skills using airstreams and terrain-masking techniques between mountain peaks. 📸 by Senior Airman Seleena Muhammad-Ali and Airman 1st Class Sierra Casteel #F35A #MachLoop #AirPower #TacticalTraining"