Maiden flight of HTV-X
| Scheduled for (UTC) | 2025-10-26 00:00:15 |
|---|---|
| Scheduled for (local) | 2025-10-26 09:00:15 (JST) |
| Launch site | LA-Y2, Tanegashima Space Center, Japan |
| Launch vehicle | H3-24L |
| Launch provider | Mitsubushi Heavy Industries / JAXA |
| Launch Payload | HTV-X |
| Mission success criteria | Successful launch and docking to the ISS |
Livestreams
| Stream | Link |
|---|---|
| JAXA (Japanese) | https://www.youtube.com/watch?v=ljdP_M5k_-g |
| JAXA (English) | https://www.youtube.com/watch?v=EBEq84QrSEA |
| NASA | https://www.youtube.com/watch?v=G_4TUFQytQo |
| The Launch Pad | https://www.youtube.com/watch?v=TflC6smN1qQ |
Stats
☑️ 2nd launch from LA-Y2 of 2025
☑️ 2nd H3 launch of 2025, 6th overall
Payload info (NextSpaceflight)
HTV-X 1
HTV-X 1 is the maiden flight of HTV-X. It is designed to be more affordable compared to the original H-II Transfer Vehicle (HTV). Like its predecessor, HTV-X vehicle will transport cargo to the International Space Station.


This is almost like an extra module for the ISS for 6 months. It’s even bigger than Cygnus XL.