watch 01:20 The Loop (TV) Do you like this video? The Cortez Project was a conspiracy within UNIT during the 1990s. They believed that aliens, even if they didn't plan on invading Earth, would usurp human culture and therefore should be killed. They were encountered by the Seventh Doctor and Sarah Jane Smith in 1997. (PROSE: Bullet Time) Retrieved from "https://tardis.fandom.com/wiki/Cortez_Project?oldid=3011806" Categories: Conspiracy UNIT + cat Cancel Save Community content is available under CC-BY-SA unless otherwise noted.