U.S. Marine Corps Sgt. Benjamin T. Fischer, left, shows an example of a pressure plate used to detonate an improvised explosive device to Afghan police trainees on Forward Operating Base Musa Qa'leh in Afghanistan's Helmand province, Oct. 4, 2012. Fischer, an explosives ordnance disposal specialist, is assigned to Combat Logistics Regiment 15, Regimental Combat Team 6. U.S. Marine Corps Sgt. Benjamin T. Fischer, left, shows an example of a pressure plate used to detonate an improvised explosive device to Afghan police trainees on Forward Operating Base Musa Qa'leh in Afghanistan's Helmand province, Oct. 4, 2012. Fischer, an explosives ordnance disposal specialist, is assigned to Combat Logistics Regiment 15, Regimental Combat Team 6. SHARE: Download: Full Size (2.63 MB) Tags: photo essays Credit: VIRIN: 799926-R-XBD41-046.jpg Photo Gallery