epa09354987 A prototype of a Russia's new fifth-generation light multipurpose single-engine fighter Checkmate on display during the MAKS-2021 International Aviation and Space Salon in Zhukovsky, outside Moscow, Russia, 20 July 2021. MAKS 2021 International Aviation and Space Salon takes place from 20 to 25 July.  EPA/ALEXEI NIKOLSKY/SPUTNIK /KREMLIN POOL MANDATORY CREDIT