[@RandomParadox]This is actually similar to Metallover's old "Age of Rebirth" NRPs.
Not like it's a bad thing, mind you. They were wildly popular every time they were made.
http://www.roleplayerguild.com/topics/82603-age-of-rebirth-post-ww3/ooc
http://www.roleplayerguild.com/topics/84385-age-of-rebirth-2-post-ww3/ooc
http://www.roleplayerguild.com/topics/88098-our-unstable-world-post-ww3-rp/ooc
And another game which might be similar:
http://www.roleplayerguild.com/topics/85527-on-the-brink-of-instability-and-were-off/ooc

Hope these can give you a few ideas. I can also share with you the kind of technologies which might be plausible.
Speaking of which, since this is the 22th century what's your thoughts on the development of space?