Level 2 Security Certification
Level 3 Security Certification
Concealed Handgun License
Self-Defense
Training
Pepper Spray
Training
Be First to Know About New Courses & Events
Subscribe for course updates, licensing tips, and exclusive training offers.
State Approved
Courses
Flexible Online
Learning
Affordable
Courses
Expert
Instructor
Comprehensive
Curriculum
Fast Course
Completion
Gun
Safety
Proven. Trusted.
Recommended.
Our Courses
Level 2 Non-Commissioned Security Officer
-
Online Level 2 Certification Course
-
Final Exam (completed online)
-
Certificate of Completion
Qualifies you to work as an unarmed security officer in Texas
Level 3 Commissioned Security Officer
-
Online Level 3 Certification Course
-
Final Exam (completed online)
-
Certificate of Completion
-
In-Person Firearm Proficiency
Qualifies you to work as an armed security officer in Texas
Pepper Spray (OC)
Training
-
Online Course
-
No pepper spray exposure required
Qualifies you to work as an unarmed security officer in Texas
Texas License to Carry (CHL/LTC) Training
The Texas License to Carry (LTC), formerly known as CHL (Concealed Handgun License), allows eligible individuals to legally carry a handgun in public—both open and concealed—under Texas law. It demonstrates your training, legal understanding, and firearm responsibility.
Classroom Portion
-
Self-paced course
-
Covers Texas laws, firearm safety, use of force, and conflict resolution
-
Access anytime from any device
-
Receive your LTC-101 Certificate upon passing the online exam
In-Person Proficiency Demonstration
-
1–2 hour session with a Texas Qualified LTC Instructor
-
Demonstrate handgun proficiency
-
Receive range instruction and safety briefing
Trusted Training Backed by Years of Real-World Experience
.png)
.png)
Who We Are
About 3 Mile Defense
Welcome to 3 Mile Defense, where our mission is to empower individuals with the knowledge and skills necessary for responsible gun ownership and usage.
​
As a state and court-approved certification company, we are dedicated to providing comprehensive gun safety education that meets and exceeds all legal requirements.
+10
Years of Experience
95%
Exam Pass Rate
24/7
Access to Online
Course Material
100+
Trained Professionals
Edward Johnson
Edward Johnson
CEO, 3 Mile Defense
MEET THE INSTRUCTOR
With over 10 years of experience in law enforcement and certified training, Edward brings professionalism, expertise, and passion to every course at 3 Mile Defense. From police service to federal security, he's dedicated to preparing you with real-world skills that go beyond the basics.