FILE PHOTO: An unarmed Minuteman III intercontinental ballistic missile launches

FILE PHOTO: An unarmed Minuteman III intercontinental ballistic missile launches during an operational test at 2:10 a.m. Pacific Daylight Time at Vandenberg Air Force Base, California, U.S., August 2, 2017. Picture taken August 2, 2017. U.S. Air Force/Senior Airman Ian Dudley/Handout via REUTERS