TARGET PRACTICE U.S. Marine Corps 1st Sgt. Juan Gallardo fires a 9mm pistol during a battle sight zero at a range on Camp Leatherneck in Helmand province, Afghanistan, Dec. 22, 2013. Gallardo, a senior enlisted advisor, is assigned to Headquarters and Service Company, 3rd Battalion, 7th Marine Regiment. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 829359-T-EWQ02-528.jpg Photo Gallery