Pentagon approves OpenAI safety red lines after dumping Anthropic AxiosOpenAI strikes deal with Pentagon hours after Trump admin bans Anthropic CNNOpenAI Reaches A.I. Agreement With Defense Dept. After Anthropic Clash The New York TimesOpenAI strikes deal with Pentagon after Trump orders government to stop using Anthropic NBC NewsMusk's xAI and Pentagon reach deal to use Grok in classified systems Axios