Marines with Marine Medium Helicopter Squadron 268 (Reinforced) exit a CH-53E Super Stallion at Camp San Luis Obispo, Calif., July 12. The Marines set up a forward arming and refueling point during the 11th Marine Expeditionary unit's large-scale exercise with ocean and urban-based scenarios. The squadron is the aviation combat element for the unit. - Marines with Marine Medium Helicopter Squadron 268 (Reinforced) exit a CH-53E Super Stallion at Camp San Luis Obispo, Calif., July 12. The Marines set up a forward arming and refueling point during the 11th Marine Expeditionary unit's large-scale exercise with ocean and urban-based scenarios. The squadron is the aviation combat element for the unit.