Senior Airman Allison Hirsch, 744th Communications Squadron enterprise information management technician, and rally driver Hollen Groff do a short "shake down," or test drive at Joint Base Andrews, Md., before departing to a race in South Carolina on Feb 28, 2013. As a co-driver, Hirsch advises the driver about what to expect around the next bend in the race course. (U.S. Air Force photo/Staff Sgt. Torey Griffith)