The launch of the United Launch Alliance Delta IV Heavy NROL-82 mission for the National Reconnaissance Office is scheduled for no earlier than April 26, 2021, from Space Launch Complex-6 at Vandenberg Air Force Base, California.
This will be the 143rd mission for United Launch Alliance, the 90th mission in support of U.S. national security and the 31st for the NRO. This will be the 386th Delta launch since 1960, the 13th Delta IV Heavy and the 9th Heavy for the NRO.