United Launch Alliance’s Delta IV Heavy thundered off the pad from Vandenberg Space Force Base, California, carrying the classified NROL-71 mission for the U.S. National Reconnaissance Office. This powerful rocket—one of the world’s heaviest-lifting launch vehicles—used three Common Booster Cores firing together, lighting up the California coast as it climbed into a polar orbit. Missions like NROL-71 support national security, intelligence, and global monitoring, even though the details stay sec
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