Joe Johengen, 28th Aircraft Maintenance Squadron electrical technician, installs a universal serial bus into a B-1 during a temporary modification at Ellsworth Air Force Base, S.D., Aug. 6, 2013. The new screen improves the way aircrews view locations and confirm targets prior to deploying weapons. (U.S. Air Force photo by Airman 1st Class Alystria Maurer/Released)