back in time

Hello everyone im new here ive been having this dream for a long time ok heres how it goes u see im a space marine working in a space station and its being invaded by some kinda humaniods and everyones evacuating even me and then i land on enemy territory after that for some reason a huge bomb blows up and then i die after that i return to the evacuting podand then i land in the same place again and i get shot and then everything goes back in time where im evacuting againi dont know for some reason i land again on enemy territory but this time i dont die has anyone had this experiance going back in time again and again