A U.S. Air Force F-35A Lighting II assigned to the 388th Fighter Wing, Hill Air Force Base, Utah, receives fuel from a KC-135 Stratotanker assigned to the 351st Air Refueling Squadron, RAF Mildenhall, England, over the Baltic Sea July 13, 2019. The F-35s conducted training with other U.S. Air Forces and partner-nation aircraft as part of a Theater Security Package deployment to Europe. (U.S. Air Force photo by Airman 1st Class Joseph Barron)