Question 1

What rocket is launching S-STEP?

Accepted Answer

S-STEP is launching on the South Korean ADD Solid-Fuel SLV (3 stage).

Question 2

Who is launching S-STEP?

Accepted Answer

S-STEP is being launched by Agency for Defense Development, a government launch provider founded in 1970.

Question 3

Where is S-STEP launching from?

Accepted Answer

S-STEP is launching from ADD Offshore launch platform at Sea Launch.

Question 4

What orbit is S-STEP heading to?

Accepted Answer

S-STEP is heading to Low Earth Orbit (LEO).

Question 5

Is the South Korean ADD Solid-Fuel SLV (3 stage) reusable?

Accepted Answer

No — the South Korean ADD Solid-Fuel SLV (3 stage) is an expendable launch vehicle.

Question 6

How many times has the South Korean ADD Solid-Fuel SLV (3 stage) flown?

Accepted Answer

The South Korean ADD Solid-Fuel SLV (3 stage) has launched 1 times to date, with 1 successful flights.

Question 7

What is the S-STEP mission?

Accepted Answer

Note: Launch vehicle name is provisional.

Prototype small synthetic-aperture radar (SAR) satellite built by Hanhwa Aerospace on a planar satellite bus. First orbital test launch of the South Korean military small satellite launch vehicle after 2 sub-orbital tests of individual stages on 30 March and 30 December 2022. Does not include planned 2nd stage of the full LV.

S-STEP

Overview

Mission details

Launch Window

ADD Offshore launch platform

Sea Launch

Frequently asked questions