A U.S. Air Force F-22 Raptor and two Finnish air force F/A-18 Hornets fly behind a U.S. Air Force KC-135 Stratotanker during training off the coast of Finland, Oct 19, 2018. The Raptors trained with different NATO allies and partners to deter any potential threats and increase regional security. (U.S. Air Force photo by Senior Airman Luke Milano)