US tests nuclear-capable Minuteman III amid Iran war: How it works, range and other deadly aspects of ICBM

America's Air Force Global Strike Command successfully launched an unarmed Minuteman III intercontinental ballistic missile. The test missile traveled thousands of miles to a target in the Marshall Islands. This launch, scheduled years ago, validates the weapon system's performance and reliability. Data collected will support future force development. The Minuteman III remains on alert as plans advance for its replacement.