Lieutenant Col. John Martinko, left, outgoing commanding officer, 7th Engineer Support Battalion, 1st Marine Logistics Group, and Lt. Col. Eric Penford, right, incoming commanding officer, salute Marines during a pass and review as part of a change of command ceremony aboard Camp Pendleton, Calif., July 1, 2014. Martinko is slated to pursue studies at the National War College, Ft. Lesley McNair, Wash., as a prerequisite for higher positions of command. - Lieutenant Col. John Martinko, left, outgoing commanding officer, 7th Engineer Support Battalion, 1st Marine Logistics Group, and Lt. Col. Eric Penford, right, incoming commanding officer, salute Marines during a pass and review as part of a change of command ceremony aboard Camp Pendleton, Calif., July 1, 2014. Martinko is slated to pursue studies at the National War College, Ft. Lesley McNair, Wash., as a prerequisite for higher positions of command.