Bulgarian Soldiers conduct maneuver training with T-72 Main Battle Tanks during Platinum Lion 16-2 at Novo Selo Training Area, Bulgaria, Jan. 8, 2016.
Exercise Platinum Lion provides combined training with NATO Allies and partners, demonstrating our commitment to promoting a peaceful and stable Europe through theatre security cooperation engagements. (U.S. Marine Corps Photo by Cpl. Justin T. Updegraff/ Released). Original public domain image from Flickr