- Figure: https://youtu.be/Z3yQHYNXPws
- Unitree: https://youtu.be/iULi4-qz22I
- 1X: https://youtu.be/uVcBa6NXAbk
and those are just the ones I know about. I'm sure the US and Chinese militaries are weighing up their options, too.
Of course, they don't need to be humanoid in the end: that just helps them maximise compatibility today. As they take over more of the process, they can specialise and scale up. Once you have robots working the entire process, the sky's the limit.