▁this ▁partners hip ▁was ▁the ▁completion ▁in ▁ 1 9 0 7 ▁of ▁two ▁sister ▁ships : ▁ ▁and ▁R MS ▁Ma ure t ania , ▁both ▁of ▁which ▁won ▁the ▁Blue ▁Rib and ▁during ▁their ▁respective ▁ma iden ▁voy ages . ▁The ▁latter ▁retained ▁this ▁distinction ▁for ▁twenty ▁years . ▁Their ▁great ▁speed ▁was ▁achieved ▁by ▁the ▁use ▁of ▁tur b ines ▁instead ▁of ▁conventional ▁expansion ▁machines . ▁In ▁response ▁to ▁the ▁competition ▁from ▁C un ard ▁Line , ▁White ▁Star ▁Line ▁ordered ▁the ▁Olympic - class ▁lin ers ▁at ▁the ▁end ▁of ▁ 1 9 0 7 . ▁The ▁first ▁of ▁these ▁three ▁lin ers , ▁, ▁completed ▁in ▁ 1 9 1 1 , ▁had ▁a ▁fine ▁career , ▁although ▁pun ctu ated ▁by ▁inc idents . ▁This ▁was ▁not ▁the ▁case ▁for ▁her ▁sister , ▁the ▁, ▁which ▁s ank ▁on ▁her ▁ma iden ▁voyage ▁on ▁ 1 5 ▁April ▁ 1 9 1 2 , ▁resulting ▁in ▁several ▁changes ▁to ▁mar itime ▁safety ▁practices . ▁As ▁for ▁the ▁Third ▁Sister ▁, ▁she ▁never ▁served ▁her ▁intended ▁purpose ▁as ▁a ▁Pass enger ▁Sh ip , ▁as ▁She ▁was ▁draft ed ▁in ▁World ▁War ▁ 1 ▁as ▁a ▁Hospital ▁ship , ▁and ▁Sank ▁to ▁a ▁Mine ▁in ▁ 1 9 1 6 ▁ ▁At ▁the ▁same ▁time , ▁France ▁tried ▁to ▁mark ▁its ▁presence ▁with ▁the ▁completion ▁in ▁ 1 9 1 2 ▁of ▁SS ▁France ▁owned ▁by ▁the ▁Comp ag nie ▁Gén éra le ▁Trans at lant ique .