Marine tosses a smoke grenade during a Saber Strike 17 breach drill in Latvia

A #Marine tosses a smoke grenade during a #SaberStrike17 breach drill in #Latvia. The exercise increases cohesion with allies. #WeAreNATO pic.twitter.com/EM4NAiVOfH

— U.S. Dept of Defense (@DeptofDefense) June 22, 2017