U.S. Marines conduct demolition training at Range 108 - Camp Pendleton. The Marines learned about the destructive capabilities of various explosives including dynamite, TNT, shape charges and C4. The charges are used by engineers to destroy heavily armored vehicles, defensive obstacles and bridges. Filmed on June 29, 2013. Unit - Bravo Company, 1st Combat Engineer Battalion, 1st Marine Division Film Credits: Sgt Christopher J. Moore