A volunteer checks paperwork as children stand by at a preschool facility set up for children evacuated from Subic Bay Naval Station and Clark Air Base, Philippines. Children and their familes, both military and civilian, were evacuated following the eruption of Mount Pinatubo, a volcano that came alive on June 10 for the first time in over 600 years. More than 20,000 evacuees have been removed from the area as part of the U.S. military's Operation Fiery Vigil