VANDENBERG SPACE FORCE BASE, Calif. -- A Northrop Grumman Minotaur 4 rocket launched the National Reconnaissance Office's NROL-174 mission from Space Launch Complex 8 at Vandenberg Space Force Base Calif., at 12:33 p.m. PDT, April 16, 2025. This marks the fifth National Reconnaissance Office launch of 2025 and the first launch facilitated at Vandenberg's SLC-8 in nearly 14 years.