The U.S. Department of Defense will integrate xAI's Grok artificial intelligence system into the Pentagon's network by the end of January, as announced by Defense Secretary Pete Hegseth. This integration will impact approximately 3 million military and civilian personnel, enhancing military operations with real-time intelligence support. Grok will be deployed alongside Google's Gemini system on the GenAI.mil platform at the highest security level, Impact Level 5. Hegseth emphasized the integration as a "decisive advantage" in applying AI across the defense system. Despite the strategic benefits, critics have expressed concerns over potential system errors, algorithmic bias, and the influence of Elon Musk on defense decision-making.