AN ACT STRENGTHENING AND EXPANDING THE POWERS OF THE SUBIC BAY METROPOLITAN AUTHORITY AND THE CLARK DEVELOPMENT CORPORATION, ALLOWING THEM TO DEVELOP OTHER SPECIAL ECONOMIC ZONES IN LUZON TO OPTIMIZE THE THREE (3) AIRPORTS IN SUBIC, CLARK AND MANILA, TWO (2) SEAPORTS IN SUBIC AND MANILA, AND ONE (1) CONNECTING HIGHWAY AND RAILWAY IN LUZON, AND FOR OTHER PURPOSES