Iron Sniper Army Sgt. John Sis fires an M4 carbine rifle during the Iron Sniper 2019 competition at Dona Ana Range Complex, N.M., Aug. 14, 2019. Sis, part of the winning team, is slated to go on to compete in the International Sniper Competition in April 2020. SHARE: Download: Full Size (1.14 MB) Tags: army Credit: Army Spc. Matthew Marcellus VIRIN: 190814-A-QF685-039C.JPG Photo Gallery