Dr.Zooch
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Very... VERY early models reflect the finless no LES designs. These were only illustrations of the yet-to-be completed thinking pattern however. Most were made prior to the STG's concept of launch escape that led to the Mercury tower. In the very early planning stages, believe it or not, no one actually considered escape.
You'll also see some early drawings of the Saturn C-5 (later renamed Saturn V) that show the S-I-C stage without fins and still others with the fins on the S-I-C body between the engine fairings rather than on the fairings. In the NASA publication to Congress titled "Manned Space Flight -1963" that accompanied Holmes' testimony before Congress in March and April 1963, there are a large number of these drawings- all dated 1963 (indicating that they were drawn and published in great haste in order to have them ready for Congress.)
You'll also see some early drawings of the Saturn C-5 (later renamed Saturn V) that show the S-I-C stage without fins and still others with the fins on the S-I-C body between the engine fairings rather than on the fairings. In the NASA publication to Congress titled "Manned Space Flight -1963" that accompanied Holmes' testimony before Congress in March and April 1963, there are a large number of these drawings- all dated 1963 (indicating that they were drawn and published in great haste in order to have them ready for Congress.)