What's behind the Elon Musk "hover"?

Musk's re-entry hypersonic landing 𝐀𝐁𝐎𝐕𝐄 𝐓𝐇𝐄 𝐎𝐂𝐄𝐀𝐍

"The rocket came back from space at hypersonic speed and then hovered at a precise position"- Elon Musk 14th October 2025
Inside the classified docs, it’s labeled **Stabilized Einstein Frame** — a system originally built for **military orbital relays**.