Airman 1st Class Hayden Wilson, a response force member assigned to the 28th Security Forces Squadron, checks an individual to verify their authorization to enter the base at the Liberty Gate on Ellsworth Air Force Base, S.D., March 9, 2017. The new Defense Biometric Identification System 5.0 expedites identifying and vetting personnel requesting base access. (U.S. Air Force photo by Airman Nicolas Z. Erwin)