U.S. Army Spc. Luis Mitchell practices setting up a satellite communication antenna 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)