Senior Airman Michael Murphy, 744th Communications Squadron radio frequency transmissions technician, solders wires on a test panel box at Joint Base Andrews, Md., March 17, 2016. RF transmission technicians deploy, sustain, troubleshoot and repair the vast variety of communications devices to include antenna systems, tuners and transmission lines. (U.S. Air Force by Staff Sgt. Chad C. Strohmeyer/Released)