U.S. Air Force Lt. Col. Christopher Wilson, 121st Fighter Squadron F-16C Fighting Falcon pilot, 113th Wing, District of Columbia, Air National Guard, taxis for takeoff at Lask Air Base, Poland, September 20, 2019. Wilson and other pilots from the 121st FS were training with their Polish allies to strengthen deterrence efforts and improve readiness and responsiveness. (U.S. Air Force photo by Airman 1st Class Kyle Cope)