▁D ock yard ▁attempting ▁to ▁build ▁too ▁many ▁ships ▁at ▁once , ▁but ▁the ▁work ▁was ▁eventually ▁completed ▁by ▁ 1 2 ▁January ▁ 1 9 0 4 . ▁Prin z ▁Ad al bert ▁was ▁commission ed ▁into ▁the ▁Imperial ▁German ▁Navy ▁the ▁same ▁day ▁for ▁sea ▁tri als , ▁with ▁Kap it än ▁zur ▁See ▁( Capt ain ▁at ▁Sea ) ▁Hermann ▁Jacob sen ▁in ▁command ; ▁the ▁ship ▁was ▁sl ated ▁for ▁service ▁as ▁a ▁g unn ery ▁training ▁ship . ▁She ▁had ▁cost ▁the ▁Imperial ▁German ▁Government ▁ 1 6 , 3 7 1 , 0 0 0 ▁Gold marks . ▁Sea ▁tri als ▁were ▁completed ▁by ▁ 3 0 ▁May , ▁after ▁which ▁Prin z ▁Ad al bert ▁began ▁her ▁duties ▁as ▁a ▁g unn ery ▁training ▁ship . ▁ ▁In ▁September , ▁the ▁ship ▁took ▁part ▁in ▁the ▁annual ▁aut umn ▁man eu vers ▁with ▁the ▁rest ▁of ▁the ▁Heimat fl otte ▁( Home ▁Fle et ). ▁A ▁special ▁training ▁unit ▁consisting ▁of ▁reserve ▁ships , ▁training ▁ships ▁like ▁Prin z ▁Ad al bert , ▁and ▁a ▁fl ot illa ▁of ▁tor ped o ▁boats ▁was ▁created ▁in ▁early ▁ 1 9 0 5 ; ▁Prin z ▁Ad al bert ▁was ▁the ▁flags hip ▁of ▁the ▁unit ▁from ▁ 1 9 0 5 ▁to ▁ 1 9 0 7 , ▁flying ▁the ▁flag ▁of ▁Kon ter ad mir al ▁( R ear ▁Admir al ) ▁Hugo ▁Z ey e . ▁Prin z ▁Ad al bert ▁and ▁the ▁light