Watch Delta IV Heavy rocket launch US spy satellite on penultimate mission early Wednesday

United Launch Alliance's powerful Delta IV Heavy rocket is scheduled to fly for the second-to-last time early Wednesday morning (June 21), and you can watch the liftoff live.

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Jun 21, 2023 - 06:00
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Watch Delta IV Heavy rocket launch US spy satellite on penultimate mission early Wednesday
United Launch Alliance's powerful Delta IV Heavy rocket is scheduled to fly for the second-to-last time early Wednesday morning (June 21), and you can watch the liftoff live.