John Noble Wilford, «America’s Future in Space after the Challenger,» The New York Times, March 16, 1986.
48
Kenneth Chang, «25 Years Ago, NASA Envisioned Its Own ‘Orient Express,’ « TheNew York Times, October 20, 2014.
49
Julian Guthrie, How to Make a Spaceship: A Band of Renegades, an Epic Race, andthe Birth of Private Spaceflight (New York: Penguin Press, 2016), 209–217.
