▁Río ▁Santiago ▁Sh ip yard . ▁Commission ed ▁by ▁the ▁Argent ine ▁Navy ▁in ▁February ▁ 1 9 6 4 , ▁she ▁was ▁assigned ▁to ▁the ▁Naval ▁H ydro graph ic ▁Service ▁( ▁Serv icio ▁de ▁H id rog raf ía ▁Naval ). ▁ ▁Since ▁then ▁she ▁has ▁undert aken ▁several ▁campaign s , ▁which ▁included ▁depth ▁sound ing , ▁current ▁meas uring , ▁water ▁sampling ▁and ▁bottom ▁sampling . ▁ ▁In ▁ 2 0 1 0 ▁she ▁supported ▁the ▁hydro graph ic ▁surve ys ▁performed ▁in ▁the ▁Río ▁de ▁la ▁Pl ata ▁by ▁the ▁Uruguay an ▁ship ▁RO U ▁Si ri us . ▁ ▁In ▁ 2 0 1 2 ▁she ▁survey ed ▁the ▁inner ▁Río ▁de ▁la ▁Pl ata , ▁and ▁in ▁ 2 0 1 3 ▁sound ed ▁the ▁rivers ▁Par an á ▁Ib ic uy ▁and ▁Par an á ▁Pav ón ; ▁during ▁ 2 0 1 4 ▁she ▁survey ed ▁the ▁Mag dal ena ▁Channel ▁of ▁the ▁Río ▁de ▁la ▁Pl ata . ▁ ▁See ▁also ▁▁ ▁List ▁of ▁auxili ary ▁ships ▁of ▁the ▁Argent ine ▁Navy ▁ ▁References ▁ ▁Notes ▁ ▁Bibli ography ▁ ▁Other ▁sources ▁ ▁Further ▁reading ▁ ▁External ▁links ▁▁▁▁ ▁Category : Res earch ▁vessels ▁of ▁Argentina ▁Category : Sh ips ▁built ▁in ▁Argentina ▁Category : 1 9 6 4 ▁ships ▁Category : Sur vey ▁ships <0x0A> </s> ▁Ar no ▁Fischer ▁( born ▁in ▁Wed ding , ▁Berlin , ▁ 1 4 ▁April ▁ 1 9 2 7 : ▁ ▁died ▁in ▁Ne ust