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JAGEL, GERMANY - DECEMBER 10: Forty members of the Bundeswehr, the German armed forces, board a Luftwaffe A-400M transport plane destined for Incirlik airbase in Turkey as part of Germany's participation in the international military intervention against the Islamic State (IS) in Syria on December 10, 2015 in Jagel, Germany. Germany is sending a total of 1,200 troops, six Tornado reconaissance jets and a navy frigate in non-combative roles. (Photo by Sean Gallup/Getty Images)

JAGEL, GERMANY - DECEMBER 10:  Forty members of the Bundeswehr, the German armed forces, board a Luftwaffe A-400M transport plane destined for Incirlik airbase in Turkey as part of Germany's participation in the international military intervention against the Islamic State (IS) in Syria on December 10, 2015 in Jagel, Germany. Germany is sending a total of 1,200 troops, six Tornado reconaissance jets and a navy frigate in non-combative roles.  (Photo by Sean Gallup/Getty Images)