Look up Andrew Basiago, he claims to have been part of a secret time traveling unit in th 70`s, you can find him on youtube talking about project PEGASUS.
Apparently Tesla`s ideas was used on the philadelphia project where they managed to time travel and transport a ship to a different place.
Some more Tesla stuff: LINK TO THE ARTICLE IS AT THE BOTTOM
32-34 & 69
Recreating the past to solve future needs. Robert K. Golka has duplicated apparatus designed in 1899 by Nikola Tesla, with the...