MINOT AIR FORCE BASE, N.D. – Bob Bradshaw, a contractor on Minot AFB, installs video and timing cards in the secondary radar in the traffic terminal area Feb. 18. The video and timing cards are used to support the secondary radar tower. These type of upgrades help improve overall base communications. (U.S. Air Force photo by Airman 1st Class Aaron-Forrest Wainwright)