Sept. 23, 2025 Malmstrom showcases Minuteman III ICBM capabilities through Simulated Electronic Launch test An over 100-ton launcher closer door is propelled into a pile of sand during a Simulated Electronic Launch-Minuteman test Sept. 18, 2025, near Winifred, Mont. SELM tests are performed to verify the reliability of the Minuteman III intercontinental ballistic missile system, without physically firing