Marines with 1st Radio Battalion, I Marine Expeditionary Force, prepare to conduct a parachute drop out of a KC-130J Super Hercules at Marine Corps Base Camp Pendleton, California, July 8. Marines with Marine Aerial Refueler Transport Squadron (VMGR) 352 assisted the battalion with the parachute drop. - Marines with 1st Radio Battalion, I Marine Expeditionary Force, prepare to conduct a parachute drop out of a KC-130J Super Hercules at Marine Corps Base Camp Pendleton, California, July 8. Marines with Marine Aerial Refueler Transport Squadron (VMGR) 352 assisted the battalion with the parachute drop.