I can imagine a lot! :)
Breakaway cultures, antigravity and ZPT for starters.
But, the benefits will never come to us, the ones who paid for it all.

Rothbardian_fanatic

“I believe we are in the midst of a multi-decade secretive arms race, one funded by misallocated taxpayer dollars and hidden from our elected representatives and oversight bodies,”

They built entire towns in secret for the Manhattan Project, imagine what a group could get up to by severing completely from any oversight, and funded with unlimited $$$.

aliens_and_UFOs

"Why Are We Hiding It From The Public?" Takeaways From Congressional UFO Hearing

>“I believe we are in the midst of a multi-decade secretive arms race, one funded by misallocated taxpayer dollars and hidden from our elected representatives and oversight bodies,”

They built entire towns in secret for the Manhattan Project, imagine what a group could get up to by severing completely from any oversight, and funded with unlimited $$$.