The final launch of the Delta IV Heavy. The United Launch Alliance will launch the NROL-70 mission for the National Reconnaissance Office. This will be the final time that a Delta IV, and a Delta, in general, will fly. NROL-70 is a classified payload for the National Reconnaissance Office. Window Opens: April 9th at 12:53PM EDT (16:53 UTC) Window Closes: April 9th at 4:52PM EDT (20:52 UTC) Mission: Delta IV Heavy launch of NROL-70 for the National Reconnaissance Office Launch Location: Space Launch Complex 37B, Cape Canaveral Space Force Station, Earth. Target orbit: Classified but estimated to be a geosynchronous transfer orbit Rocket configuration: 9250; Delta Common Booster Core with two Delta Common Booster Core, a 5 meter diameter Delta Cryogenic Second Stage, and no third stage. Fairing is the metallic tri-sector fairing from Titan. Rocket trajectory: Straight east from the Cape Stats: · ULA's 160th launch overall and its 2nd launch of the year. · Delta's 389th and final launch. 16th and final launch of Delta IV Heavy. · ULA's 27th launch from SLC-37B, Delta IV Heavy's 11th and final launch from SLC-37B. · 43rd overall launch from SLC-37B. NSF forum link: https://forum.nasaspaceflight.com/index.php?topic=58567.0 ⚡ Become a member of NASASpaceflight's channel for exclusive discord access, fast turnaround clips, and other exclusive benefits. Your support helps us continue our 24/7 coverage. ⚡ 🔍 If you are interested in using footage captured by this stream, please review our content use policy: https://www.nasaspaceflight.com/content-use-policy/