The Flygsystem 2020 ("Flight System 2020", abbreviated FS 2020), is an ongoing project by the Swedish Air Force to develop a stealth fighter by 2020.
==Letala z možnostjo superkrižarjenja==*English Electric Lightning (prvo letalo z možnostjo superkrižarjenja)*Saab Draken*Lockheed Blackbird (A-12, YF-12 in SR-71)*Tupoljev Tu-144*Tupoljev Tu-160*Concorde*BAC TSR-2*General Dynamics F-16XL*Eurofighter Typhoon*Dassault Rafale*Gripen NG*Lockheed Martin F-22 Raptor*Northrop YF-23*Lockheed YF-22*Suhoj Su-30MKI*Suhoj Su-35*Suhoj Su-35S*Suhoj Su-35BMProjektirana letala:*Advanced Medium Combat Aircraft*AIDC F-CK-1 Ching-kuo*Zero Emission Hyper Sonic Transport*SonicStar*Suhoj/HAL FGFA*Suhoj PAK-FA*Čengdu J-20*Šenjang J-16*Šenjang J-31*Mikojan LMFS==Sklici in reference==