In the late 1940S, when the urgent need arose for a rocket that could deliver an atomic bomb, there was only one successful example to copy - the Nazi’s V2.
The urgency, coupled with the technical success of the V2,
meant that no practical alternatives were considered. Until now.
The Business Plan
John Hollaway - Who Is He?
For more background to the Swala concept,
read this article from
The Space Review