This is a photo showing the first IRBM site found under construction in early October. The sites are clearly marked with names.
This photo sheds light on my research project because it allows me to gain a better understanding of how the CIA was able to figure out the deployment of missiles in Cuba.
October 17, 1962: U-2 photograph of first IRBM site found under construction. https://nsarchive2.gwu.edu/nsa/cuba_mis_cri/19.jpg