Medium lift launch vehicle

A medium-lift launch vehicle - MLV a rocket orbital launch vehicle that is capable of lifting between 2,000 to 20,000 kg (4,400 to 44,100 lb) of payload into Low Earth orbit - LEO. The category is between small-lift launch vehicles and heavy-lift launch vehicles. The first two medium-lift launch vehicles were the USA's Atlas rocket and the Soviet's R-7 rocket, both had their first lift off in 1957.