Senior Master Sgt. Haisshia Havens (left) explains the benefits of a drug free lifestyle during a health fair at her sons' school March 19, 2013. School officials asked Havens, a former Air Force Office of Special Investigations agent, to attend the fair to help educate parents and students about drug and alcohol abuse prevention. Havens is assigned to the 940th Aerospace Medicine Squadron. (U.S. Air Force photo/Dana Lineback)