Top Secret technology in 1958, which was officially abandoned in 1961<br /><br />Article Link : https://travelandlook.blogspot.com/2023/12/top-secret-technology-in-1958-which-was.html<br /><br />Sources : <br />https://en.wikipedia.org/wiki/Avro_Canada_VZ-9_Avrocar<br />https://www.nationalmuseum.af.mil/Visit/Museum-Exhibits/Fact-Sheets/Display/Article/195801/avro-canada-vz-9av-avrocar/<br />
