epa06802830 A U.S. Colorado Air National Guard F-16 Fighting Falcon aircraft flying during the military exercise 'Saber Strike 2018' at the Amari Air base is Estonia, 12 June 2018. The multinational exercise, organized by the Command of the US Army in Europe, runs from 03 to 15 June, and includes participants from 19 countries. EPA-EFE/VALDA KALNINA Military exercise Saber Strike in Estonia Sizes: 150 × 150 / 300 × 168 / 768 × 430 / 250 × 250 / 600 × 400 / 300 × 200 / 400 × 200 / 130 × 90 / 893 × 500 / 272 × 182 / 1,000 × 560