Also, that NASA article is from 2010: https://web.archive.org/web/20101013052045/https://www.nasa.gov/centers/marshall/news/background/facts/astp.html https://w

Also, that NASA article is from 2010: https://web.archive.org/web/20101013052045/https://www.nasa.gov/centers/marshall/news/background/facts/astp.html https://web.archive.org/web/20101013052045/https://www.nasa.... I have to imagine that with the advent of reusable launch vehicles, even NASA has to be a bit more optimistic about future launch costs now than they were 9 years ago.