Preserving the lost art of high-precision craftsmanship

Soyuz capsules are crafted entirely by hand. Generations of master machinists have learned their craft in the weapons-manufacturing town of Tula. They are some of the the few remaining machinists on earth who can cut a piece of brass to within two microns of tolerance on a hand-lathe. Now instead of making weapons, their skills are now being used to build microphones.