TELSKUF, IRAQ - NOVEMBER 05:  A British member of a group called the International Peshmerga Volunteers stands with fellow veterans after instructing Kurdish troops in a Combat Lifesaver Course on November 5, 2015 near the frontline with ISIS fighters in Telskuf, northern Iraq. The former British Army infantry soldier, 27, known as "Polish", from Birmingham said he was an assault pioneer and combat medic during his service in the army, ending in December 2014. He is on his second trip to northern Iraq as a volunteer medical instructor, assisting Kurdish forces against ISIS fighters.  (Photo by John Moore/Getty Images)