Russia also has a nuclear triad of sea, air, and land-based warheads. Though exact details are scarce, the Federation of American Scientists (FAS) estimates the country's inventory at around 7,500 warheads. Of those, an estimated 1,780 are strategically deployed and an estimated 3,000 are retired, awaiting dismantlement.
Here, a nuclear museum staffer cleans the first Soviet nuclear bomb, tested in 1949, just in front of the country's first thermonuclear bomb. Sarov, a town of some 84,000 inhabitants, surrounded by a tightly guarded no-man's-land with three barbed wire fences to keep the curious away from Russia's nuclear secrets, sits about 280 miles east of Moscow.