HTV-X1 Bids Farewell to ISS

On March 6, 2026, the HTV-X1 cargo spacecraft, operated by the Japan Aerospace Exploration Agency (JAXA), is set to depart from the International Space Station (ISS) after successfully delivering approximately 12,000 pounds of supplies, scientific investigations, and hardware. The spacecraft, which was initially captured by the station’s Canadarm2 robotic arm on October 29, 2025, will conclude its mission that supported not only NASA but also various international partners.

The departure of HTV-X1 marks a significant milestone in space exploration collaborations between JAXA and NASA. Before its scheduled release at 12:00 p.m. EST, NASA will offer live coverage starting from 11:45 a.m. EST on platforms including NASA+, Amazon Prime, and YouTube. While the detachment process from the station’s Harmony module will not be broadcasted live, NASA astronaut Chris Williams is tasked with monitoring the spacecraft’s systems during the undocking procedure.

Post-departure, the HTV-X1 will serve an extended role as a scientific platform in orbit for over three months, conducting experiments for JAXA. Ultimately, it will execute a deorbit command to safely dispose of several thousand pounds of trash by re-entering and disintegrating in Earth’s atmosphere. This mission not only underscores the ongoing research and operations conducted on the ISS but also highlights the shift towards a robust low Earth orbit economy, spearheaded by commercial space endeavors and NASA’s deep space missions, including the Artemis lunar exploration program.