Mt. Pinatubo Explosion At Clark Air Base, Philippines Part 1

Clark Airbase Website: http://www.clarkab.com/ http://www.subicbaypi.com/ This is from the show called Nova and the title of this particular segment is called "In The Path Of A Killer Volcanoe". It documents the happenings just before Mt. Pinatubo exploded to when the volcanoe finally erupted.