Explanation:

Epsilon-4 rocket: Japan launched the Epsilon – 4 rocket carrying 7 satellites developed by private sector companies and Universities from the Uchinoura Space Center in Kagoshima.The cost of launch which is roughly USD 50 million was borne by Japan Aerospace Exploration Agency (JAXA) to promote and encourage space exploration by private sector in Japan.The Epsilon series was developed in a bid to put small satellites into orbit at a low lost.