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Japan successfully launches new cargo spacecraft to deliver supplies to International Space Station

  • On Oct. 25, JAXA launched the HTV‑X1 cargo spacecraft atop an H3 rocket from Tanegashima Space Center, and the spacecraft reached its planned orbit after separation.
  • The HTV‑X succeeds JAXA's earlier H‑II Transfer Vehicle , which flew nine missions between 2009 and 2020, and measures 26.2 feet with a pressurized module having 60% more volume and deployable solar arrays producing 50% more power.
  • The spacecraft carries about 4.5 tons of supplies and several deployable cubesats; HTV‑X weighs 16 tons fully loaded and can loft about 13,200 pounds, with unpressurized cargo mounted on top.
  • HTV‑X1 is scheduled to arrive at the ISS on Oct. 29 and be berthed to the Harmony module by the Canadarm2 robotic arm; after unloading, it will burn up over the South Pacific Ocean.
  • After leaving the station, HTV‑X1 will conduct technology demonstrations lasting about three months, while JAXA and Mitsubishi Heavy Industries plan at least three HTV‑X missions and envision lunar Gateway cargo support.
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Japan successfully launches new cargo spacecraft to deliver supplies to International Space Station

Japan’s space agency has successfully launched its new flagship H3 rocket carrying an unmanned cargo spacecraft for its first mission to deliver supplies to the International Space Station.

·United States
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Space broke the news in United States on Saturday, October 25, 2025.
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