Home Current Who Cares About the J-20, F-35 or Su-57: Why the F-15, F-16...World NewsCurrentNewsWho Cares About the J-20, F-35 or Su-57: Why the F-15, F-16 and Su-27 Aren't Going AnywhereOctober 16, 2018170FacebookTwitterPinterestWhatsApp Why those old 4th generation fighters will be around for a long time.