The Bomb Squad recently invited employees to witness a training exercise in which the team blew up more than 2 pounds of C-4 explosives inside the agency's Total Containment Vessel, or TCV. The tool, paid for with a grant, allows the squad to destroy explosives or potentially explosive devices at the scene of an incident without significant disruption to surrounding communities. Sgt. Carl Makins explained that to survive a blast the size of the one contained in the TCV for this exercise, a perso