Grenade Thrower A U.S. soldier prepares to throw a smoke grenade to provide concealment for the team during the live-fire portion of a breaking contact and trench clearing exercise, part of Summer Shield XIII at Adazi Military Base, Latvia, April 19, 2016. Army photo by Sgt. Paige Behringer SHARE: Download: Full Size (1.81 MB) Tags: Atlantic Resolve Credit: Sgt. Paige Behringer VIRIN: 160419-A-HL390-794A.JPG Photo Gallery