Lance Cpl. Benjamin Cool ties a detonation cord as Lance Cpl. Josh Czerepka places several blocks of explosives into an insurgent firing position. U.S. Marine Corps Lance Cpl. Benjamin Cool (left) ties a detonation cord as Lance Cpl. Josh Czerepka places several blocks of explosives into an insurgent firing position at a location in Afghanistan on March 5, 2012. Cool and Czerepka are combat engineers assigned to the 1st Battalion, 8th Marine Regiment. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 322831-I-LFC76-663.jpg Photo Gallery