A U.S. Air National Guard KC-135 Stratotanker taxis on a runway after landing on Riga International Airport, Latvia, for exercise Saber Strike 2017, June 4, 2017. Two KC-135s flying out of Selfridge Air National Guard Base, Mich., landed at the airport carrying approximately 50 Airmen to participate in Saber Strike 2017. (U.S Air Force photo by Senior Airman Tryphena Mayhugh)