3.3K views · 104 reactions | Making its 12th flight, United Launch Alliance’s Delta 4-Heavy rocket is expected to deploy a top secret US government intelligence-gathering payload more than 22,000 miles above Earth early Saturday after a marathon launch sequence spanning more than six hours. READ MORE: https://spaceflightnow.com/2020/08/26/delta-4-heavy-likely-heading-for-geosynchronous-orbit-with-top-secret-payload/ | Spaceflight Now | Facebook

1.4K views · 277 reactions | Last ULA Delta 4 launch  with the last RS68 engines built by Rocketdyne for mostly AirForce missions! Nice end to a successful rocket program. | Wilton Simpson | Facebook