00864nas a2200217   4500000000100000008004100001260001600042653001800058653001300076653002100089653000900110653001800119653002000137653002400157653001000181100001900191245005200210300001000262490000700272520036700279       2017                            d  cWinter 201710aAhrar al Sham10aAl Qaeda10aforeign fighters10aIraq10aIslamic State10aJabhat al Nusra10aJabhat Fath al Sham10aSyria1 aMaja Greenwood00aIslamic State and al-Qaeda’s Foreign Fighters  a87-970 v163 a<p>This article reviews important differences in how Islamic State, Jabhat al-Nusra and Ahrar al-Sham perceive the role of the foreign fighter and outlines local dilemmas integrating foreign fighters entails for the three movements. It shows how, in addition to boosting fighting capacity, a high number of foreigners might also represent a crucial weakness.</p>