Comments by "Vikki McDonough" (@vikkimcdonough6153) on "" video.

  1. IIRC, a few of those are still operating today.
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  2. 6:10 - IIRC, there were also studies done at some point about using fuel crossfeeding (onion/asparagus staging) with the Delta IV Heavy (mostly in relation to 4-and-6-booster expansions thereof).
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