References
Cliff – Flickr Account: https://www.flickr.com/photos/nostri-imago/
NASA (1983). Scout Launch Vehicle Program Final Report – Phase VI. Contractor Report NASA-CR-165950. [online] Available at: https://archive.org/details/nasa_techdoc_19820073028/page/n17.
Marshall Space Flight Center. NASA (1972). Skylab Saturn IB Flight Manual (MFSC-MAN-206). [online] Available at: https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19740021163.pdf.
NASA – Marshall Space Flight Center (1968). Saturn Illustrated Chronology. [online] Available at: https://history.nasa.gov/MHR-5/contents.htm.
VG1
The Martin Company (1960). The Vanguard Satellite Launching Vehicle: An Engineering Summary.
NASA (1970). Vanguard: A History (NASA SP-4202). The NASA Historical Series. [online] Available at: https://history.nasa.gov/SP-4202.pdf.