Grenade Throwing Army Pfc. Matthew Bates, a cavalry scout with the 3rd Infantry Division's squad at the Gainey Cup competition, prepares to throw a training grenade during a squad exercise at Fort Benning, Ga., May 3, 2017.Army photo by Staff Sgt. Candace Mundt SHARE: Download: Full Size (1.9 MB) Tags: fort benning, maneuver center of excellence, gainey cup, cavalry scout, best scout squad competition, u.s. army armor school, csm william “joe” gainey Credit: Staff Sgt. Candace Mundt VIRIN: 170503-A-IF479-0981.JPG Photo Gallery