. "The history of Clark Air Base, Philippines dates back to the late 19th century when it was settled by Filipino military forces. The United States established a presence at the turn of the century."@en . . . . "The history of Clark Air Base, Philippines dates back to the late 19th century when it was settled by Filipino military forces. The United States established a presence at the turn of the century."@en . . "History of Clark Air Base"@en . . . .