The Russian defense industry has some struggles ahead. Despite claims of self-sufficiency, it turns out that Russian industry needs Western components and Western support. One of the most autarkic industries in one of the world’s most autarkic economies is suffering from supply shortages because of sanctions. Does this mean that autarky in the defense sphere becomes impossible? If so, what does that mean for the pursuit of security for modern states? Theoretically, states should carefully guard the chains that supply their defense industrial bases with goods, as a loss of access to global markets (or even to specific suppliers) could...