The exercise was part of “routine and periodic activities,” the American military has said The American military conducted a nuclear intercontinental ballistic missile (ICBM) test on the day that the nation’s voters were choosing their next president, the US Air Force Global Strike Command said in a statement on Wednesday. The launch was part of “routine” practice and followed “months of preparation,” it added. An unarmed Minuteman III ICBM was launched from the US Vandenberg Space Force Base,