The Korea Aerospace Research Institute says the nation’s second attempt to launch its first space rocket will likely come in early June.

The institute said Thursday that the first-stage engine of the “Naro-One” rocket will be delivered to South Korea Saturday or Sunday from the Khrunichev State Research and Production Space Center, which is a partner to Korea’s space program.

After inspections, the engine will be transported by ship to the Naro Space Center in South Jeolla Province.

The first-stage rocket will be the same as the one used in the launch last August.

The institute said it is expected to take about two months to attain launch capabilities following the delivery of the first-stage rocket.

In August of last year, the Naro failed to put a satellite into orbit due to problems with the separation of a fairing covering the satellite.