 Under the agreement, the U.S. was to clean up Clark and turn the base over to the Philippine government in 1992 while leasing Subic Bay for another 10 years.The Philippine Senate rejected this extension of the Military Bases Agreement in 16 September 1991.On 26 November 1991, the U.S. government formally turned Clark over to the Philippine government, which transformed the airfield into the Clark International Airport.