The Discovery of the Nuclear Missiles in Cuba
Worried that Cuba would, In September 1962, the U.S. placed restrictions on U-2 flights (US intelligence gathering aircraft) over Cuban airspace, which lasted for five weeks. This was in a bid to prevent Cuba from shooting down a CIA-operated U-2 that could have led to another international event.
On October 14, American U-2 plane pilot Major Richard S. Heyser took aerial photographs while making a high-altitude pass over Cuba. The photos clearly showed evidence of medium-range and intermediate-range ballistic missiles being installed in Cuba. The images were processed and sent to the White House the following day.