Marines with 1st Radio Battalion, I Marine Expeditionary

Marines with 1st Radio Battalion, I Marine Expeditionary Force, map out their first point in a six-mile land navigation obstacle course during the Commander’s Cup at Camp Pendleton, Calif., Jan. 11. The Cup consists of seven challenges over the course of seven months. This is the third event in the series, hosted by 1st Air Naval Gunfire Liaison Company. Each I MEF unit hosts a challenge of their choice for all of the battalions to complete in. The unit with the most victories will earn the Commander’s Cup trophy, which will be presented in May following the final challenge.