The Philadelphia Experiment, also known as Project Rainbow, is one of the most talked about military urban legends of all time.
To this day, it continues to divide opinion over what is fact and what is fiction and has even been immortalised in a Hollywood film.
The government experiment is said to have taken place on October 28, 1943 and apparently saw the USS Eldridge, a Cannon-class destroyer escort, disappear.
It is claimed that the event was witnessed by an ex-merchant mariner named Carl M. Allen, who was on a nearby ship, Liberty.
The ship is also said to have matter-transported from one naval yard to another.
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