GySgt Dale Simmons

Welcome to the official channel of GySgt Dale Simmons, USMC (Ret.)—author of The 12 Colors of Combat, Life of Combat, and his life's work: The Codex of Wu-Chi.

With over 60 years of dedicated hand-to-hand combat experience and 28,000 pages of original self-defense research, GySgt Simmons delivers style-free physical skills development designed to take anyone from beginner to combat expert. Here, you will find historical Marine Corps combat training, instructional demonstrations, and resources to complement the Codex manuals.