EIELSON AIR FORCE BASE, Alaska -- Flying Officer Lucas Roston, Surveillance and Control Training Unit, Royal Australian Air Force, Williamstown, Australia, communicates on a Denro Communication Panel with a KC-135 Stratotanker aircraft during Red Flag-Alaska 07-02 Thursday. Flying Officer Ross, along with other weapons controllers, monitors seven frequencies in the back-up control facility for the exercise and provide support for over 67,000 square miles around Eielson. RF-A is a Pacific Air Forces-directed field training exercise for U.S. forces flown under simulated air combat conditions. It is conducted on the Pacific Alaskan Range Complex with air operations flown out of Eielson and Elmendorf Air Force Bases. (U.S. Air Force Photo by Staff Sgt. Tia Schroeder)