US Air Force STAFF Sergeant Chris Turnbow and SSGT John Rodriguez of the 136TH Security Forces Squadron, Fort Worth, Texas both ware Multiple Integrated Laser Engagement System (M.I.L.E.S) gear and are armed with 5.56mm M16A2 assault rifles with M203 grenade launcher attached, take cover at the Mississippi National Guard Combat Training Center during INSPECTOR GENERAL EXERCISE-5. The exercise is designed to evaluate the readiness of military units to deploy and operate in a forward location