U.S. and NATO military members raise their countries’ flags during the opening ceremony for exercise Saber Strike 17 at Adazi Military Base, Latvia, June 3, 2017. 11,000 U.S. and NATO military members from 20 countries participated in the exercise from May 28 to June 24 throughout the Baltics and Poland. Saber Strike 17 promotes regional stability and security, while strengthening partner capabilities and fostering trust. (U.S Air Force photo by Senior Airman Tryphena Mayhugh)