1) Japan
2) China
3) Russia
4) United States
Explanation:
On September 25, 2019, Japan’s unmanned H-2B rocket lifted off with cargo vessel Kounotori8 also known as HTV 8 towards the International Space Station (ISS) from the Japan Aerospace Exploration Agency’s (JAXA) Tanegashima Space Center in southwestern Japan, which is considered as the world’s biggest transport spaceship. It intends to deliver about 5.3 tonnes of supplies to astronauts at the ISS.