Meet the United Defense Tactical Team

Discover the experienced tactical training experts who lead United Defense Tactical’s mission across the country. Our team brings unmatched leadership, operational knowledge, and field-tested insight to every aspect of our programs.

Our Training Philosophy

"Excellence in tactical training requires dedication, precision, and unwavering commitment to safety. Every student deserves the highest quality instruction to prepare them for whatever challenges they may face."
United Defense Tactical Leadership Team

Joshua Whiteurst

Our certified team members bring decades of combined experience from military, law enforcement, and specialized tactical training backgrounds.

Image of JC, the owner of UDT Grapevine

Jonathan "JC" Caldwell

Chief Executive Officer

JC has served in Law Enforcement for over 20 years, spending most of his career with the Dallas Police Department. His experience includes working as a K9 officer, a Designated Marksman, and serving in multiple tactical unit roles. He also operated undercover on a violent felony fugitive task force. A lifelong student of combative arts, JC holds multiple instructor certifications in firearms, defensive tactics, CQB, and de-escalation. He has led Executive Protection details in more than 10 countries for high-net-worth individuals, religious leaders, and political figures, and has instructed across the nation through his company LivTactically. His extensive real-world experience, both in operational environments and in leadership roles, shapes his practical and applicable approach to training.

20+ Years

Specialties

Firearms InstructionDefensive Tactics and CombativesClose Quarters Battle (CQB)+3 more

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