A Royal Air Force Typhoon passes a fleet of F-15C Eagles at Ämari Air Base, Estonia, Aug. 17, 2016. Five countries, including the U.S., U.K., Estonia, Sweden and Finland participated in a flying training deployment, which allowed various aircraft and personnel the ability to test their capabilities against each other in a realistic training environment. (U.S. Air Force photo/Senior Airman Erin Trower)