Cpl. Raul Cardenas, 24, from Santa Ana, Calif., vehicle commander for 2nd Squad, Security Company, Combat Logistics Battalion 5, 1st Marine Logistics Group, prepares a Multi-function Agile Remote Control Robot prior to a mission Dec. 20. Security Co. uses the MARCbot to safely investigate possible Improvised Explosive Devices. Security Co. ensures that convoys reach their destination safely by providing security throughout the trip. - Cpl. Raul Cardenas, 24, from Santa Ana, Calif., vehicle commander for 2nd Squad, Security Company, Combat Logistics Battalion 5, 1st Marine Logistics Group, prepares a Multi-function Agile Remote Control Robot prior to a mission Dec. 20. Security Co. uses the MARCbot to safely investigate possible Improvised Explosive Devices. Security Co. ensures that convoys reach their destination safely by providing security throughout the trip.