GAMECHANGER is an AI-powered tool developed for the Department of Defense (DoD) to streamline the navigation and understanding of its complex policy landscape. Utilizing artificial intelligence and natural language processing, it facilitates quick access to, cross-referencing of, and guidance on DoD policies and regulations. This unclassified tool sources policies from 27 major government sources and supports over 6,000 users with more than 100,000 queries. Available to DoD personnel with a Common Access Card, GAMECHANGER promotes efficient policymaking and decision-making within the department.