ANDERSEN AIR FORCE BASE, Guam - Commando Warrior Cadre, Staff Sgt. Marcus Serrano showcases improvised explosive devices that are used during exercises to better prepare deployable troops down range to the 13th Air Force Commander, Lt. Gen. Chip Utterback during his visit to Northwest field April 22. The mission of the Regional Training Center of Commando Warrior is to enhance the combat readiness of PACAF forces through training and evaluation of force protection and ground combat skills. General Utterback was able to see that first hand. (U.S. Air Force photo by Airman 1st Class Courtney Witt)