Twin brothers Nathan, left, and Samuel Watts stand at parade rest with their platoon during Battalion Commander’s Inspection Tuesday, as Company I Marines prepare for their graduation ceremony today. The twins will return to Marine Corps Base Camp Pendleton, Calif., following leave to go through the School of Infantry – together. - Twin brothers Nathan, left, and Samuel Watts stand at parade rest with their platoon during Battalion Commander’s Inspection Tuesday, as Company I Marines prepare for their graduation ceremony today. The twins will return to Marine Corps Base Camp Pendleton, Calif., following leave to go through the School of Infantry – together.