Added: John Walker (RIP) wrote in 1993 about such an alternate strategy and against this conventional wisdom that space launch is just inherently astronomically

Added: John Walker (RIP) wrote in 1993 about such an alternate strategy and against this conventional wisdom that space launch is just inherently astronomically expensive per kg to orbit: https://www.fourmilab.ch/documents/rocketaday.html https://www.fourmilab.ch/documents/rocketaday.html That wisdom was still conventional 1-2 decades later.