Tech. Sgt. Matthew Guterriz (right), a threat analyst, and Tech. Sgt. Kevin Broyles, a radio frequency transmissions technician, set up satellite communication equipment for a training exercise. SATCOM is used to jam communications, replicating a contested environment for operators. SATCOM can be conducted from Schriever Air Force Base, Colo., for exercises happening at Nellis AFB, Nev. (U.S. Air Force photo/Maj. Jessica D'Ambrosio)