Defense & Firearms Training

Sentinel Defense Services LLC provides professional security assessments and performance-based training for businesses, houses of worship, and residential communities. Founded by David Garrison, a veteran law enforcement professional with 31 years of experience, the company delivers practical, real-world solutions designed to reduce risk and improve preparedness.

David’s background as a violent crimes detective and law enforcement trainer in tactics, firearms, and active shooter/threat response brings a unique, experience-driven perspective to both assessment and training. Sentinel Defense Services offers comprehensive training programs for both law enforcement and responsibly armed civilians, focusing on firearms proficiency, tactical application, and decision-making under stress through realistic, scenario-based instruction.

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From detailed security assessments to high-performance training, Sentinel Defense Services equips organizations and individuals with the tools, knowledge, and confidence to prevent, respond to, and recover from critical incidents.

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