FILE - This image taken with a slow shutter speed on Oct. 2, 2019, and provided by the U.S. Air Force shows an unarmed Minuteman 3 intercontinental ballistic missile test launch at Vandenberg Air Force Base, Calif. The world's nine nuclear-armed states continue to modernize their nuclear weapons as the countries continue to deepen their reliance on such deterrence in 2023, a Swedish think tank said Monday, June 17, 2024. (Staff Sgt. J.T. Armstrong/U.S. Air Force via AP, File)