14.04.1953 Kamov Ka-15 helicopter first flew. Kamov Ka-15 Hen
14.04.1961 American Lockheed U-2 spy-plane photographed whole territory of Cuba and located about 15 FAR aircraft. These were the first stage of Bay of Pig invasion. Lockheed U-2/TR-1
14.04.1975 First public presentation of IAI Kfir, developed from the French Mirage III/5 family, the Kfir was the first 'Israel made' plane produced in mayor quantity, and was used in combat by Israel and Ecuador. IAI Kfir/F-21 Lion