Nothing of the sort really, at least in the teams/org I work in. As long as you are performing to expectations i.e good and hardworking as you put it, it's just a matter of letting your manager know and the rest is taken care of.
>> I am guessing that there is a tactical way to do that without telling them that
You can always ask during the interview stage about relocation opportunities, how these are handled and how easy/hard it is to relocate. More often than not, the manager/HR will be transparent about it. If the manager/HR is curious as to why, you can always say that you would like to experience working in the US; nothing wrong in that.
If you don’t like the last third of Seveneves and haven’t read Anathem then you’ll struggle with the first 150 pages of that book. It’s like Seveneves flipped, starts mega slow and turns into an action fantasy book.