VANDENBERG SPACE FORCE BASE, Calif. --   A Minotaur I rocket carrying an unarmed Mk21A reentry vehicle launches from Vandenberg Space Force Base, Calif., at 11:01 p.m. June 17, 2024. After attaining full operational capability, the Mk21A RV will be integrated on the nation’s intercontinental ballistic missile weapon system. The Mk21A program is currently in early development and overseen by the Air Force Nuclear Weapons Center. (U.S. Space Force photo by Senior Airman Kadielle Shaw)