▁ ▁On ▁ 2 7 ▁February ▁ 2 0 1 7 , ▁the ▁first ▁Y PG / Y P J ▁regiment ▁in ▁the ▁Afr in ▁Region , ▁named ▁Mart yr ▁X eb at ▁D ê rik ▁Regiment ▁was ▁declared . ▁ ▁On ▁ 8 ▁April ▁ 2 0 1 7 , ▁the ▁J aze era ▁Kn ights ▁Brigade ▁was ▁established . ▁ ▁On ▁ 1 0 ▁April ▁ 2 0 1 7 , ▁two ▁new ▁Y PG / Y P J ▁reg iments , ▁named ▁Mart yr ▁Gab ar ▁Regiment ▁and ▁D ê rik ▁and ▁Mart yr ▁Z ana ▁Regiment ▁were ▁established ▁in ▁the ▁J az ira ▁Region . ▁ ▁On ▁ 4 ▁May ▁ 2 0 1 7 , ▁the ▁International ▁Anti - F asc ist ▁Battalion ▁was ▁renamed ▁to ▁the ▁Y PG ▁International ▁Battalion ▁and ▁became ▁a ▁part ▁of ▁the ▁Y PG . ▁ ▁On ▁ 1 7 ▁May ▁ 2 0 1 7 , ▁the ▁Ra qq a ▁In ternal ▁Security ▁Forces ▁were ▁established . ▁ ▁On ▁ 8 ▁June , ▁between ▁ 6 0 ▁and ▁ 7 0 ▁Turkish - back ed ▁Free ▁Sy rian ▁Army ▁f igh ters , ▁including ▁several ▁Sultan ▁Mur ad ▁Division ▁command ers , ▁defect ed ▁to ▁the ▁Sy rian ▁Army ▁and ▁the ▁S DF ▁during ▁inf ight ing ▁between ▁T F SA ▁fa ctions . ▁ ▁On ▁ 1 0 ▁July , ▁an ▁all - f em ale ▁Arab ▁S DF ▁group ▁was ▁established ▁in ▁De ir ▁ez - Z or , ▁the