Base ID Air Force Airman 1st Class Vincent Leal, a 436th Security Forces Squadron response force member, uses a hand-held Defense Biometrics Identification System scanner to validate Common Access Card information of person entering the main gate March 17, 2017, at Dover Air Force Base, Del. Air Force photo by Roland Balik SHARE IMAGE: Download Image: Small (112.64 KB)| Medium (194.56 KB)| Full Size (1.63 MB) Photo By: Roland Balik VIRIN: 170317-F-BO262-1007D.JPG Photo Gallery