Staff Sgt. Robert Holmes helps SSgt. Richard Carillo (both 11th Security Forces Group patrolmen) wash Oleoresin Capsicum Spray from his face June 14, 2012, during familiarization training at Joint Base Andrews, Md. Security forces Airman are exposed to OC spray prior to being certified to carry it so they are aware of its affects on whomever they spray, as well as themselves. OC spray is an extremely effective less-than-lethal tool that can be utilized to quell a situation without having to otherwise resort to lethal force. (U.S. Air Force photo by Senior Airman Perry Aston)(Released)