From left, Senior Airman Carley Richardson, electronic security system program manager assigned to the 71st Security Forces Squadron; and Airman 1st Class Alexander Desimone, a patrolman assigned to the 71st SFS; listen to advice from David Cravens, an Oklahoma State Trooper, during the DUI detection course hosted at Vance Air Force Base, Oklahoma. The DUI detection course instructed not only Airman from the 71st SFS but also police officers from across the state. (U.S. Air Force photo/ Airman 1st Class Taylor Crul)