U.S. Army Sgt. Conchita Corbin-Nicks conducts a radio test on an AN/PRC-148 radio during a communication exercise (COMMEX) conducted by Joint Task Force-Bravo, Jan. 6, 2014. During the exercise, members of the task force were instructed on the operation of several types of communication equipment, and practiced using the equipment so they will be prepared to use it in a real-world scenario. (U.S. Air Force photo by Capt. Zach Anderson)