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(27.12.2017)
K. Mizokami. U.S Navy's Railgun is about to get faster and more powerful.
http://www.popularmechanics.com/military/research/news/a27455/us-navy-railgun-more-
powerful (27.12.2017)
Rochester Institute of Technology. http://www.rit.edu/~dih0658/index.html(21.12.2017)
Wise Geek: What is a railgun? http://www.wisegeek.com/what-is-a-rail-gun.htm(21.12.2017)
S. Siceloff. Kennedy Space Center. National Aeronautics and Space Administration.
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