Blog A United Launch Alliance Delta 4 Heavy rocket launched NROL-91 for the National Reconnaissance Office Sept. 24, 2022, from Vandenberg Space Force Base, California. Credit: ULA Local 887 25 Sep, 2022 Social share icons https://spacenews.com/nro-satellite-flies-to-orbit-in-delta-4s-final-west-coast-launch/?preview_id=132266
