▁ 2 0 0 9 ▁to ▁ 2 0 1 1 ▁ ▁Car les ▁Bl asi ▁Vid al ▁ ▁Jose p ▁D aller ès ▁C od ina ▁ ▁Jord i ▁Font ▁Mar iné ▁ ▁Pere ▁López ▁Agr à s , ▁Prime ▁Minister ▁ 2 0 1 1 ▁ ▁Maria ▁P ilar ▁R iba ▁Font , ▁sat ▁on ▁General ▁Council ▁from ▁ 2 0 0 5 ▁to ▁ 2 0 1 1 ▁ ▁References ▁ ▁External ▁links ▁Official ▁website ▁ ▁Category : Part ies ▁related ▁to ▁the ▁Party ▁of ▁European ▁Social ists ▁Category : Pol it ical ▁parties ▁in ▁And or ra ▁Category : So cial ▁dem ocr atic ▁parties ▁Category : Full ▁member ▁parties ▁of ▁the ▁Social ist ▁International ▁Category : 2 0 0 0 ▁establish ments ▁in ▁And or ra ▁Category : Pol it ical ▁parties ▁established ▁in ▁ 2 0 0 0 ▁Category : So cial ▁dem ocr atic ▁parties ▁in ▁Europe <0x0A> </s> ▁The ▁Sau nd ers - R oe ▁SR . 5 3 ▁was ▁a ▁British ▁prototype ▁inter ceptor ▁aircraft ▁of ▁mixed ▁jet ▁and ▁ro cket ▁prop ulsion ▁developed ▁for ▁the ▁Royal ▁Air ▁Force ▁( RA F ) ▁by ▁Sau nd ers - R oe ▁in ▁the ▁early ▁ 1 9 5 0 s . ▁As ▁en vis aged , ▁the ▁SR . 5 3 ▁would ▁have ▁been ▁used ▁as ▁an ▁inter ceptor ▁aircraft , ▁using ▁its ▁ro cket ▁prop ulsion ▁to ▁rapidly ▁clim b ▁and ▁approach ▁incoming ▁host ile ▁bom bers ▁at ▁high ▁spe eds ; ▁following ▁its