Around 4700 troops and 800 military vehicles from 10 countries including Britain, Canada and the United States are participating in the Sabre Strike exercises near the Latvian capital Riga, the biggest since Russia’s annexation of Crimea. Moscow. Russia voiced its objections to the maneuvers when they moved into neighboring Lithuania on Tuesday. The US Air Force has deployed two nuclear-capable B-2 stealth bombers to the RAF Fairford base in the UK for the exercise, which is being held in the Baltic states from June 9 to 20. Denmark, Finland and Poland are among the other NATO members involved.