Na reira, i runga i 15 Paenga-whāwhā 1915, Roon me te toenga o te III Scouting Group i whakawhiti ki te Baltic, te wahi e whakatau ratou i te tino ngoikore Russian Baltic Fleet. i whakakorehia te kōwae, a ka tohaina Roon me te tahi atu oko ki te Reconnaissance Forces o te Baltic, i raro i te whakahau o KAdm Albert Hopman. I te wa ano, FK Hans Gygas Zerlay whakakapi Karpf, nei i riro i te tuarua o te rangatira o te kōwae, me te hanga i tona kaipuke haki. I te 30 o Paenga-whāwhā, ka haere te kaipuke drydock i roto i te kaipuke mo te escort ki runga ki Kiel, i reira e taea e ratou te tūpono whakapā ki te kaha Ingarangi Grand Fleet. Na reira, i runga i te 23 o Paenga-whāwhā 1915, i whakawhiti Roon me te toenga o te III Scouting Group ki te Baltic, i reira e taea e ratou te whakatau i te tino ngoikore Russian Baltic Fleet. I te mutunga o te pakanga i te marama i te marama i
10 o Akuhata