South Korea has successfully conducted the first combustion test for a 75-ton liquid-fuel engine that will go into the first and second stages of the domestic Korea Space Launch Vehicle-2(KSLV-2).

The Korea Aerospace Research Institute said Wednesday that it conducted the engine test at the Naro Space Center in Goheung, South Jeolla Province, on Tuesday.

The KSLV, which aims for liftoff in the years 2019 and 2020, consists of three stages.

Four 75-ton engines will be tied up for the bottom stage, over which one 75-ton liquid engine will be placed. One seven-ton liquid engine will be inserted in the third stage.