In the mountains and cities of Yemen, a militant group once sustained by foreign supply chains is quietly rewriting the terms of its own power. The Houthis are now using artificial intelligence to design and manufacture advanced weapons domestically, a development that loosens Tehran's strategic grip and transforms the group from a dependent proxy into a more autonomous military actor. This technological maturation does not merely alter a regional balance — it raises older, harder questions about how the spread of sophisticated tools reshapes the nature of armed conflict and the limits of exte