Retired Marine Corps Officer and assault support helicopter instructor pilot participating in nine combat operations around the globe. David Stockman is a consultant providing security and weapon system evaluations. Firearm & marksmanship training instructor with years of experience with the US Marine Corps Shooting Team, Berks County Sheriff's Department and Homeland Security Investigations. Officer-in-Charge of the Marine Corps Pistol Team. Formed the first action shooting team for 5.11 Tactical and Fobus Holster.