The big Delta IV Heavy rocket will try to loft a classified mission tonight – Ars Technica

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• Delta IV Heavy nestled in its Mobile Service Tower before launch of the NROL-44 mission for the National Reconnaissance Office.
• Members of the media establish sound-activated cameras on SLC-34 before liftoff of the NROL-44 mission for the National Reconnaissance Office.
• Closeup of Delta IV Heavy in the MST.

Is anyone ready to see a heavy-lift rocket take flight? Especially one that creates a giant fireball mer…

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