Maintenance Tour Deputy Defense Secretary Bob Work tours a maintenance facility on F. E. Warren Air Force Base in Wyoming, Feb. 24, 2016. DoD photo by Army Sgt. 1st Class Clydell Kinchen SHARE: Download: Full Size (0.58 MB) Credit: Sgt. 1st Class Clydell Kinchen VIRIN: 160224-D-LN567-079.JPG Photo Gallery