Nellis Base Visit A sign warns drivers to stop for active barriers at a gate at Nellis Air Force Base, Nev., June 20, 2018. Active vehicle barriers are imperative for base security. Air Force photo by Airman Bailee A. Darbasie SHARE IMAGE: Download Image: Full Size (0.63 MB) Photo By: Bailee A. Darbasie VIRIN: 180620-F-FM571-007D.JPG Photo Gallery