Lance Cpl. Jonathan Barreda uses a metal detector during a route-clearing mission. U.S. Marine Corps Lance Cpl. Jonathan Barreda uses a metal detector during a route-clearing mission near Marja in Afghanistan's Helmand province on April 9, 2011. Barreda, a tank crewman, is assigned to the 1st Combat Engineer Battalion. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 818793-J-THO56-258.jpg Photo Gallery