[morzh]

Many things were manufactured in the USSR that were all but forgotten in the West, especially in the USA as the hotbed of innovation.
From that angle one could say that it was a living museum of old technology.
Sort of like peopl travel to Cuba to get rides in classic cars as that part of technology has been frozen in time, and the cars are kept in running shape out of necessity and not for other reason, so the 50-s classics still are roaming the streets of Havana, offering tourists (American amongst them) a ride for a small fee.