Mug to Muzzle Army Spc. Dustin Salafani puts a new battery in his tank’s muzzle reference sensor during gunnery firing in Trzebien, Poland, Jan. 26, 2017. Salafani is assigned to the 4th Infantry Division's Company A, 1st Battalion, 68th Armored Regiment, 3rd Armored Brigade. Army photo by Staff Sgt. Corinna Baltos SHARE: Download: Full Size (1.36 MB) Credit: Staff Sgt. Corinna Baltos VIRIN: 170126-A-XQ291-466.JPG Photo Gallery