A 1972 study for a low cost booster, one of them a Saturn V first stage modified to serve as a flyback booster.
The SIC stage would allow the booster to fly back to the Kennedy Space Center
The SaturnShuttle concept also would have eliminated the Space shuttle solid rocket boosters

All This Scoring Action by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/...)

Source: http://incompetech.com/music/royalty...

Artist: http://incompetech.com/ /