ANDERSEN AIR FORCE BASE, Guam - Security Forces members out of the 176th Wing, Kulis Air National Guard, perform a quick check before entering a house here during the Commando Warrior Urban Operations exercise 09-1,Jan 31. 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. (U.S. Air Force photo by Airman 1st Class Courtney Witt)