Russia - Mikoyan MiG-41 United Kingdom/ Italy/ Sweden - Tempest United States Air Force - F-X / Penetrating Counter Air/ Next Generation Air Dominance[57][58] United States Navy - F/A-XX China- J-XX program India- AMCA mk2.[3][4] Japan - F-X (Japan) France/ Germany/ Spain - Dassault/Airbus FCAS