Russia’s Su-75 Checkmate, the country’s first single-engine stealth fighter in decades, is set for its maiden flight this year. India has been offered the jet, potentially as a MiG-29 replacement. Russia’s Su-75 Checkmate, the country’s first single-engine stealth fighter in decades, is set for its maiden flight this year. India has been offered the jet, potentially as a MiG-29 replacement.