8/8/2012 - A Tactical Air Navigation System was moved from the deteriorating structure on the left to the newer building on the right July 21, 2012, at Mountain Home Air Force Base, Idaho. The move was necessary to enhance the airfield systems technicians’ work environment and the functionality of the equipment. (U.S. Air Force photo/Staff Sgt. Roy Lynch)

8/8/2012 - U.S. Air Force Senior Airman Christopher Reagan, 366th Communication Squadron airfield systems journeyman, and Airman 1st Class Amelia Laiacona, 366th Communication Squadron airfield systems apprentice, look for the proper shutdown sequence in a technical manual for the Tactical Air Navigation System July 21, 2012, at Mountain Home Air Force Base, Idaho. The TACAN is an aviation navigation aid designed specifically for military aircraft, providing point-to-point navigation and guidance to aircraft approaching the airfield in inclement weather. (U.S. Air Force photo/Staff Sgt. Roy Lynch)

8/8/2012 - U.S. Air Force Staff Sgt. Mark De Jong, 366th Communication Squadron noncommissioned officer in charge airfield systems, removes panels from a Tactical Air Navigation System July 21, 2012, at Mountain Home Air Force Base, Idaho. The TACAN was moved into a new climate-controlled structure designed to improve the reliability and performance of the temperature-sensitive equipment. (U.S. Air Force photo/Staff Sgt. Roy Lynch)

8/8/2012 - U.S. Air Force Airman 1st Class Amelia Laiacona, 366th Communication Squadron airfield systems apprentice, removes some of the few remaining items from the old Tactical Air Navigation System facility July 21, 2012, at Mountain Home Air Force Base, Idaho. The outdated structure will be demolished now that the TACAN system is up and running in an improved, temperature-controlled facility. (U.S. Air Force photo/Staff Sgt. Roy Lynch)

8/8/2012 - U.S. Air Force Staff Sgt. Jon Samolinski, 366th Communication Squadron airfield systems journeyman, reinstalls a cable on the Tactical Air Navigation System July 21, 2012, at Mountain Home Air Force Base, Idaho. The transfer of TACAN equipment to the new facility was completed on a weekend to minimize flying-mission impact. (U.S. Air Force photo/Staff Sgt. Roy Lynch)