YPJ soldiers cheer and hold up the peace sign at the sight of Sinjar refugees in trucks being rescued and delivered to safety in Til Kocer, Syria, August 9, 2014. On the desolate Syrian-Kurdistan border live many YPG / YPJ soldiers, who are staked out at makeshift posts to fend of IS attacks and protect the border. (Photo by Erin Trieb/NBC News)
