In response to the commentary by Arnold D. Aldrich [ “Space Shuttle Past and Future,” Aug. 29, page 19], Mr. Aldrich is indeed correct that liquid fuel boosters have been investigated several times since the start of the shuttle program. I participated in the first such study by the (former) Rockwell International Corp. under contract to NASA’s Marshall Space Flight Center.
To continue reading this article:
Register now to read
3 free articles this month.
You’ll also receive our weekly Editor’s Choice, SpaceNews This Week and Opinions newsletters. Opt-out at any time.
Get unlimited access to SpaceNews.com, the SpaceNews app and our digital monthly magazine for less than $5 per week.
$280
Cancel anytime. Sales tax may apply. No refunds. Terms and conditions apply.