RD-180

Made in Russia: RD-180 Rocket Engines unaffected by sanctions

Originally appeared at RussiaFeed.com
A significant portion of the American space program depends on Russia.  Most of us know that with the absence of an American launch vehicle, American astronauts to the ISS currently hitch rides with their Russian counterparts.  What may not be as widely known is that Russia is actually an exporter of rocket engines for a widely-used American launch vehicle.