Master Sgt. James Shearer, 28th Communications Squadron transmission system radio maintainer, assembles a AM-1 mount to correctly angle a new helical antenna being installed on Ellsworth Air Force Base, S.D., Feb. 13, 2012. The new antenna is capable of receiving satellite signals to allow continuous, secure data to be sent between military installations thousands of miles away. (U.S. Air Force photo by Airman 1st Class Zachary Hada/Released)