The H-II Rocket is a Japanese launch vehicle developed by the National Space Development Agency of Japan (NASDA), now part of JAXA (Japan Aerospace Exploration Agency). It was designed to carry payloads into low Earth orbit and was first launched in 1994. The rocket features a two-stage design, utilizing liquid fuel for its propulsion system, which allows for efficient and reliable launches. The H-II Rocket has been instrumental in deploying various satellites, including those for scientific research and telecommunications. It has undergone several upgrades, leading to improved performance and increased payload capacity. The H-II series has contributed significantly to Japan's space exploration efforts.