 With the adoption of the 1979 amended Military Bases Agreement and the establishment of Philippine sovereignty over Clark AB, Base Headquarters was moved to the Clark Air Base Compound Building at the intersection of Bong and Dyess Highways.In 1986, workers began demolishing the Pentagon to make for a new Combat Support Group Headquarters Building.At the end of World War II, Clark Field, like so many other American bases in the Western Pacific, became a dumping ground for battle-damaged equipment.