D3 - Disruptive Environments

The Disruptive Environment, or D3, course is an advanced applications program tailored for experienced shooters, including military personnel, law enforcement officers, and responsible armed citizens. This is an intensive, data-driven handgun course that prioritizes movement, stability, and position work for experienced shooters. Through high rep, diagnostics-based training, you’ll build repeatable, fight-ready positional mechanics and learn to move tactically while retaining speed and hit performance.

Developed in collaboration with LaRosa Training Services, this integrated three-day program combines Tactical Emergency Casualty Care (TECC) with Haley Strategic's foundational Night Observation Devices (NODs) curriculum. Students begin by developing practical trauma management skills for low-light environments before transitioning into the effective employment of night vision equipment, weapons manipulation, and live-fire application under NODs. Together, the program provides a complete introduction to operating and managing casualties in reduced-visibility environments.