UFO and time travel (backward)?

I heard that time travel is possible but only after the ttime point that the technology is invented.

Look a type of time travel is possible already by relative means. Relative time.. You go up in a spaceship round and round close tot he speed of.light. come back and a month has gone by down there but hundreds of years for you. It's a kind of.time travel.

Here is a disclosure For Yourself,

www.abovetopsecret.com...

Merry Nimrodmass!!!