What’s The Truth Behind The Philadelphia Experiment?

Photo: The U.S. Navy destroyer escort USS Eldridge (DE-173) underway at sea, circa in 1944. Photo credit: U.S. Navy – U.S. Navy photo via Wikimedia Commons. Public Domain. Article by Katie Serena. All That’s Interesting – updated May 16, 2026.

In October 1943, a U.S. Navy destroyer was supposedly turned invisible and teleported from Philadelphia to Norfolk. But did it really happen?

If the stories are to be believed, the Philadelphia Experiment went something like this. As it sat in the Philadelphia Naval Shipyard in 1943, the newly commissioned destroyer USS Eldridge was being outfitted with several intriguing devices. These included top-secret generators that were said to be able to make the ship completely invisible to the enemy. […]

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