Google has withdrawn from a U.S. Pentagon competition focused on autonomous drone swarm technology, despite advancing to the next stage. The decision followed an internal ethical review, although the official reason cited was "insufficient resources." The competition, offering a $100 million prize, is led by the Defense Autonomous Operations Group and the Defense Innovation Unit, aiming to enable voice-command control of drone swarms. While Google stepped back, companies like OpenAI, Palantir, and xAI continue in the contest. Anthropic's proposal was not selected due to ethical concerns about autonomous weapons. Concurrently, Google revised its Pentagon contract to allow AI use for any lawful government purpose, emphasizing that AI should not be used for autonomous weapons without human oversight.