The L(Lambda)-4S rocket was the first rocket to be used by Japan to send a satellite into earth orbit. The L-4S project was to simulate the procedures and to demonstrate the capabilities for satellite insertion into orbit for the Mu project. The L-4S rocket system was a four-stage, all-solid propellant rocket.
Mission by L-4S Launch Vehicle
|1970.2.11||Japan's First Satellite OHSUMI|