Cpl. David P. Ghantous checks the functions of a radio.
Cpl. David P. Ghantous, a radio operator for the 22nd Marine Expeditionary Unit, checks the functions of a radio during a command post exercise at Marine Corps Base Camp Lejeune, N.C., on Oct. 20, 2010. The Marine Expeditionary Unit's command element practiced assembling the command post to ensure all necessary equipment functions properly and is not damaged for future exercises and deployments.