A United States aircrew prepares an F4 fighter aircraft for...

CLARK AIR BASE, PAMPANGA, PHILIPPINES - 1986/01/01: A United States aircrew prepares an F4 fighter aircraft for take off at Clark Air Base - one of the United States' military bases in the Philippines. Under the rule of President Ferdinand Marcos, the U.S. was able to keep much of its Pacific military power base stationed in the Philippines. After the fall of President Marcos following the 'People's Power' revolution and with Cory Aquino sworn in as the new President, negotiations began as to the future of the U.S. presence in the Philippines, culminating in the closure of all of the U.S. bases.. (Photo by Peter Charlesworth/LightRocket via Getty Images)