Vehicle rolled over during a training exercise at California 's Camp Pendleton . The U.S. Marine Corps will conduct the investigation because it happened on their base , he said . Marine Corps will investigate because accident occurred on its base . In addition , a Marine Corps soldier died when his assault vehicle sank .
Vehicle rolled over during a training exercise at California 's Camp Pendleton . Marine Corps will investigate because accident occurred on its base . In addition , a Marine Corps soldier died when his assault vehicle sank .