▁The ▁F ub uki ▁class ▁had ▁performance ▁that ▁was ▁a ▁quantum ▁le ap ▁over ▁previous ▁destroy er ▁designs , ▁so ▁much ▁so ▁that ▁they ▁were ▁designated ▁. ▁The ▁large ▁size , ▁powerful ▁engines , ▁high ▁speed , ▁large ▁radius ▁of ▁action ▁and ▁un pre ced ented ▁arm ament ▁gave ▁these ▁destroy ers ▁the ▁fire power ▁similar ▁to ▁many ▁light ▁cru is ers ▁in ▁other ▁nav ies . ▁S az an ami , ▁built ▁at ▁the ▁Ma iz uru ▁was ▁the ▁sevent h ▁in ▁an ▁improved ▁series , ▁which ▁incorpor ated ▁a ▁modified ▁gun ▁tur ret ▁which ▁could ▁elev ate ▁her ▁main ▁battery ▁of ▁Type ▁ 3 ▁ 1 2 7 ▁mm ▁ 5 0 ▁cal iber ▁naval ▁guns ▁to ▁ 7 5 ° ▁as ▁opposed ▁to ▁the ▁original ▁ 4 0 ° , ▁thus ▁perm itting ▁the ▁guns ▁to ▁be ▁used ▁as ▁dual ▁purpose ▁guns ▁against ▁aircraft . ▁S az an ami ▁laid ▁down ▁on ▁ 2 1 ▁February ▁ 1 9 3 0 , ▁launched ▁on ▁ 6 ▁June ▁ 1 9 3 1 ▁and ▁commission ed ▁on ▁ 1 9 ▁May ▁ 1 9 3 2 . ▁Origin ally ▁assigned ▁h ull ▁design ation ▁“ Dest roy er ▁No . ▁ 5 3 ”, ▁she ▁was ▁given ▁the ▁name ▁S az an ami ▁before ▁her ▁launch . ▁ ▁Oper ational ▁history ▁On ▁completion , ▁S az an ami ▁was ▁assigned ▁to ▁the ▁I J N ▁ 2 nd ▁Fle et . ▁During ▁the ▁Second ▁S ino - J apan ese ▁War