Director of the Museum of Air Defense Forces: Su-75 Checkmate is created according to open architecture 
in Russia. Director of the Museum of Air Defense Forces, military expert Yuri Knutov spoke about the versatility of the aircraft on air on Sputnik radio.
The expert noted that the open architecture makes it possible to customize the aircraft for specific tasks. Based on the engine, airframe and standard equipment for the customer, they can create a fighter, bomber or electronic warfare aircraft. He stressed that the American fifth-generation fighter F-35 Lightning II is deprived of such capabilities.
Earlier, the head of the Rostec state corporation, Sergei Chemezov, compared Checkmate with the F-35. According to him, the Russian plane can take on board a record combat load. The cost of LTS will be from 30 to 35 million dollars.
On Friday, November 12, Chemezov announced that the technical appearance of the Checkmate aircraft has already been formed. The head of Rostec noted that the aircraft will receive a radar with an active phased antenna array and an electronic warfare system.
The light tactical aircraft was presented at the MAKS-2021 International Aviation and Space Salon in July. The maximum combat load of the LTS will be 7.4 tons. The fighter will be able to carry bombs, missiles and cannon containers.