Iron Sovereignty: Elon Musk Announces Terafab Megaproject

On March 22, 2026, Elon Musk used his social network X to reveal details of the "Terafab" project. This is an initiative to create colossal computing infrastructure and R&D capabilities for designing proprietary AI chips.

The market got slightly confused by the terminology: Musk is not building a semiconductor foundry to print silicon (like TSMC or Samsung). Terafab is an ecosystem response to reliance on third-party architectures. The project entails the full cycle of *designing* custom processors (developing the AI6 line) and deploying giant data centers (scaling Dojo/Memphis-level clusters) for the needs of xAI and Tesla. Musk is accelerating vertical integration: his companies will independently control the code (LLM), design the hardware (fabless design), and build the data centers, delegating only the lithography itself to contract manufacturers.

Source: X (Twitter) / Reuters