Expedition 73
 | |
| Mission type | Long-duration expedition |
|---|---|
| Operator | NASA / Roscosmos |
| Expedition | |
| Space station | International Space Station |
| Began | March 2025 |
| Ended | July 2025 |
| Arrived aboard | |
| Departed aboard | |
| Crew | |
| Crew size | 7–11 |
| Members |
|
 Expedition 73 mission patch  Left to right, top row: Peskov, Kim, Ryzhikov, Zubritsky and Onishi. Bottom row: Ayers and McClain. | |
Expedition 73 will be the 73rd long-duration expedition to the International Space Station (ISS). The expedition will begin with the departure of Soyuz MS-26, expected to take place in March 2025. Takuya Onishi of the Japan Aerospace Exploration Agency (JAXA) will serve as the commander of the expedition, the third JAXA astronaut to take command of the station.[1] It will continue the extensive scientific research conducted aboard the ISS, focusing on various fields, including biology, human physiology, physics, and materials science. The crew members will also maintain and upgrade the space station systems.
References
- ^ "大西卓哉宇宙飛行士のISS船長（ISSコマンダー）就任決定" [Astronaut Takuya Onishi appointed as ISS Commander]. JAXA (in Japanese). 2 December 2024. Retrieved 24 December 2024. [We are pleased to announce that Takuya Onishi, an astronaut from the Japan Aerospace Exploration Agency (JAXA), has been selected as the ISS commander for the International Space Station (ISS) Expedition 73. Astronaut Onishi will be the third Japanese ISS commander and will lead the ISS during the Expedition 73 mission.]
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