The Defense Department will begin using Grok, the artificial intelligence chatbot built by Elon Musk’s start-up xAI, the company said in a post Monday. The xAI announcement came as Grok unveiled ...

In May 2024, the DoD issued a class deviation that locked DFARS 252.204-7012 compliance to NIST SP 800-171 Revision 2—even after Rev. 3 was finalized and published.