Bill Armstrong
- Prior service USMC and prior service Law Enforcement
- Rangemaster Certified Basic, Advanced, and Master Pistol Instructor
- Rangemaster Certified Defensive Shotgun Instructor
- Defense Training International Instructor Certification
- Shooting with XRay Vision Instructor Certification
- Modern Samurai Project Instructor Certification
- Palisade Training Group Church Security Instructor Certification
- Tim Herron Shooting Instructor Diagnostic and Development Certificate
- Force Science Institute Analyst Certification
- Vang Comp Shotgun Armorer Certificate
- NRA Certified Range Safety Officer
- RangeMaster certified Master Instructor
- NRA Basic Rifle and Pistol Instructor, Concealed Carry Instructor (NRA Instructor#230522474)
- Hundreds of hours of training in multiple disciplines under multiple instructors.
