Iron Sword A soldier participates in Exercise Iron Sword at the Urban Warfare National Training Center in Kilkis, Greece, Nov. 25, 2019. U.S. and Greek soldiers strengthen interoperability during the exercise, demonstrating U.S. commitment to NATO allies. SHARE IMAGE: Download Image: Full Size (2.94 MB) Tags: Iron Sword, Army, Training Photo By: Army Spc. Ryan Lucas VIRIN: 191125-A-BT239-012.JPG Photo Gallery