Well, they have nukes left over from the 1980s, certainly.
But it took Russia 10 years and 15,000 lives to put down an insurgency inside its own borders - in a region that constituted less than 1% of its population.
It took the U.S. Army over four years to beat an army half its size with no real navy, and they lost more men (365,000) than the rebels (260,000).