Terry SchappertTerry Schappert is a Green Beret and Master Sergeant in the US Army Special Forces, and an expert on small arms, demolition, military tactics, and combat medicine. He has hosted a number of combat and adventure shows on television, including Shark Attack Survival Guide for Discovery Channel’s Shark Week, and has traveled the world for two seasons of the Discovery survival series, Dude, You’re Screwed. He is the author of A Guide to Improvised Weaponry. Visit his website at TerrySchappert.com. Read More Read Less