(From left), Donnie Perkins, a counter radio-controlled electronic warfare (CREW) field service representative (FSR) with Engility Corp and Bradley Ralston, a CREW FSR with Tobyhanna, mount a CREW system antenna on March 30, 2014. CREW systems have played an integral role in force protection throughout the theater of operations in Afghanistan. (U.S. Army photo by Sgt. Jarred Woods 1st Sustainment Command (Theater).)