KC-135 Refuels F-16s during Theater Security Package
Four U.S. Air Force F-16C Fighting Falcons fly in formation during air refueling training in Swedish airspace, Feb. 8, 2018. The training was in conjunction with a rotational deployment of F-16Cs from the Ohio Air National Guard’s 180th Fighter Wing to Amari Air Base, Estonia, as part of a Theater Security Package. (U.S. Air Force photo by Airman 1st Class Luke Milano)