An abandoned radar dish (BMEWS) in Trinidad and Tobago, built in 1958 by the USA to provide surveillance and tracking of ballistic missiles
The world's first intercontinental voice message by satellite, which originated from the Trinidad, West Indies, terminal and was received on 12 August 1960 at Floyd, New York, where a state historical marker now marks the site
https://www.afspc.af.mil/Portals/3/do...
Abandoned Radar Base in Trinidad
https://www.atlasobscura.com/places/a....