Senior Airman James Necessary, 36th Security Forces Squadron security controller, updates the police blotter Aug. 24 at Andersen Air Force Base, Guam. Airman Necessary's day-to-day tasks include dispatching and controlling patrols during emergency and routine situations, monitoring and controlling all radio traffic and preparing the security forces blotter and daily correspondence. (U.S. Air Force photo/Senior Airman Shane Dunaway)