Noble Sword-14 NATO international special forces exercise in Oleszno, Poland [Getty Images]

Oleszno, Poland 9th, September 2014 Nobel Sword-14 NATO international special forces exercise at the land forces training centre in Oleszno. 15 countries participate in "Noble Sword-14" : Croatia, Estonia, France, the Netherlands, Lithuania, Germany, Norway, Poland, Slovakia, Slovenia, the USA, Turkey, Hungary, Great Britain and Italy. Polish special forces unit AGAT and GROM operators go to Mi-17 helicopter during the exercise (Photo by Michal Fludra/NurPhoto) (Photo by NurPhoto/Corbis via Getty Images)

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