U.S. Air Force Airman 1st Class Kayla Brooks, a security forces specialist with the 182nd Security Forces Squadron, Illinois Air National Guard, interacts with Airmen while posted as an installation entry controller at the 182nd Airlift Wing, Peoria, Ill., March 3, 2017. Security forces Airmen serve as the first line of defense for their bases and fellow Airmen. (U.S. Air National Guard photo by Tech. Sgt. Lealan Buehrer)