According to this conspiracy theory, a manned mission to Mars took place in 1973 and no-one was told about it.It wasn’t even the first and it wouldn’t be the last one. But first, the circumstances that led to astronauts setting foot on Mars.
After successfully landing man on the Moon, NASA and the U.S. Department of Defense initiated Project Horizon, an ambitious mission to set up a permanent stationary base on our satellite.
The launch took place on August 28, 1973. The crew aboard the ISV Columbusconsisted of Elliott See (commander), William B. Rutledge (pilot) and Vladimir Ilyushin. The 3-minute clip below was supposedly leaked from a collection of 16mm archival footage used in the training of NASA astronauts and Air Force pilots.