Rehn haed a heich profile as the first female Meenister o Defence in Finland. In 1995, durin Rehn's term as Meenister o Defence, a law on voluntary female enleetment wis enactit. In recent years Rehn haes been kent for her internaitional assignments, as UN Unner-Secretary General an as the Special Rapporteur for Human Richts in Bosnie an Herzegovinae.