The H-II Transfer Vehicle (HTV) KOUNOTORI 8 (HTV8) is the eighth mission of the H-II Transfer Vehicle series developed by the Japan Aerospace Exploration Agency (JAXA). The HTV series, named KOUNOTORI (which means "white stork" in Japanese), is designed to deliver essential supplies to the International Space Station (ISS).

The HTV8 mission is a testament to JAXA's significant role in supporting the International Space Station. By providing essential supplies and demonstrating advanced space technology, HTV8 contributes to the sustained success of the ISS and its scientific endeavors.