The main purpose of the Guarding American Technology from Exploitation Act of 2025, also known as the GATE Act, is to enhance national security by restricting access to U.S. National Laboratories for certain foreign nationals. The legislation aims to prevent potential exploitation of sensitive technologies and information by individuals from countries deemed to pose a security risk. Key provisions of the GATE Act include a prohibition on admitting foreign nationals from specific countries into National Laboratories. The countries listed are China, Russia, Iran, North Korea, and Cuba.