MCAS YUMA, Ariz. - U.S. Marine Corps Ground Based Air Defense augments supporting Weapons and Tactics Instructors Course 1-14, assemble an OE-254 Very High Frequency (VHF) Communications Radio, Sept. 17, 2013. The OE-254 VHF is designed for frequency hopping and conventional radios. (U.S. Marine Corps photo by Lance Cpl. Xzavior T. McNeal, MAWTS-1 COMCAM/ Released)