Vehicle rolls over during a training exercise at California 's Camp Pendleton . Hide Caption 2 of 7 Photos:U.S. military's fighter fleet A Marine Corps instructor was killed during a January 14 training exercise at Camp Pendleton when the amphibious assault vehicle he was riding in capsized and sank . In January , a Marine Corps instructor died when his assault vehicle sank .
Vehicle rolls over during a training exercise at California 's Camp Pendleton . Hide Caption 2 of 7 Photos:U.S. military's fighter fleet In January , a Marine Corps instructor died when his assault vehicle sank .