Russian passenger plane MC-21-300 performs at the MAKS-2019 International Aviation and Space Salon opening day in Zhukovsky outside of Moscow on August 27, 2019. (Photo by Alexey Nikolsky/Sputnik/AFP Photo)




A Sukhoi Su-47 Berkut supersonic jet fighter during preparations for the MAKS-2019 International Aviation and Space Salon in the town of Zhukovsky, Moscow Region on August 26, 2019. (Photo by Marina Lystseva/TASS)





The VRT500 helicopter is seen at the MAKS 2019 air show in Zhukovsky, outside Moscow, Russia, August 27, 2019. (Photo by Maxim Shemetov/Reuters)





A visitor walks past PD-14 turbofan engine at the MAKS 2019 air show in Zhukovsky, outside Moscow, Russia, August 27, 2019. (Photo by Maxim Shemetov/Reuters)





Visitors inspect a Russian Ansat helicopter at the MAKS 2019 air show in Zhukovsky, outside Moscow, Russia, August 27, 2019. (Photo by Maxim Shemetov/Reuters)





Promoters attend the MAKS 2019 air show in Zhukovsky, outside Moscow, Russia, August 27, 2019. (Photo by Maxim Shemetov/Reuters)





The Chinese UAV Wing Loong II is seen at the MAKS 2019 air show in Zhukovsky, outside Moscow, Russia, August 27, 2019. (Photo by Maxim Shemetov/Reuters)





Sukhoi Su-57 fighter jet is seen during a demonstration at the MAKS 2019 air show in Zhukovsky, outside Moscow, Russia, August 27, 2019. (Photo by Maxim Shemetov/Reuters)





The Ilyushin Il-96 aircraft is seen at the MAKS 2019 air show in Zhukovsky, outside Moscow, Russia, August 27, 2019. (Photo by Maxim Shemetov/Reuters)





The Mil Mi-28 N military helicopter is seen at the MAKS 2019 air show in Zhukovsky, outside Moscow, Russia, August 27, 2019. (Photo by Maxim Shemetov/Reuters)





The Russian UAV ORION-E is seen at the MAKS 2019 air show in Zhukovsky, outside Moscow, Russia, August 27, 2019. (Photo by Maxim Shemetov/Reuters)





Sukhoi Su-57 fighter jets perform during a demonstration flight at the MAKS 2019 air show in Zhukovsky, outside Moscow, Russia, August 27, 2019. (Photo by Maxim Shemetov/Reuters)





A pilot of Russian MIG corporation visits the MAKS-2019 International Aviation and Space Salon opening ceremony in Zhukovsky outside Moscow on August 27, 2019. (Photo by Alexander Nemenov/AFP Photo)