Smoke Grenade Throw Army Spc. John Nicastro prepares to throw a smoke grenade during annual training at Camp Ethan Allen Training Site, Jericho, Vt., June 15, 2016. Nicastro is assigned to the Vermont National Guard’s Company A, 3rd Battalion, 172nd Infantry Regiment, 86th Infantry Brigade Combat Team. The unite is participating in an assault lane as part of a buddy-team exercise during his two-week annual training. Air National Guard photo by Tech. Sgt. Sarah Mattison SHARE: Download: Full Size (1.23 MB) Tags: ARMY NATIONAL GUARD, Soldiers Credit: Tech. Sgt. Sarah Mattison VIRIN: 160615-Z-KE462-344A.JPG Photo Gallery