 Nyorai kupfuurira kweiyi ndima - Pakati paMay, Liverpool yakabatana neboka rengarava dzehondo dzaifanira kuperekedza Trinidad parwendo rwokudzokera kuBritain. Pashure pokugadziriswa kwenguva pfupi muRussia, Trinidad yakavamba kufamba musi wa13 May. Boka raibatanidza Liverpool rakazvimisikidza riri kumadokero kweBear Island, muBarents Sea, kuti risangane neigwa. Pana May 14, Trinidad yakarwiswazve uye yakatsva nemabhomba. MaBritish aifanira kubuda ndokuinyudza zuva rakatevera apo moto wakava usingadzoreki. Liverpool navamwe vose veboka raRear-Admiral Burrough vakarwiswa pachavo parwendo rwokudzokera. Musi waMay 25, Liverpool yakatanga kuperekedza PQ 16, ngarava dzezvokutengeserana 35 dzaienda kuMurmansk, ngarava huru kupfuura dzose dzakanga dzambotumirwa kutsigira Soviet Union. PQ 16 yakanga ine dziviriro huru, kusanganisira zvikepe zvakareruka uye zvinorema, Kent, uye Norfolk, uye vaparadzi vazhinji uye ngarava dzepasi pemvura, nechifukidziro chiri kure chakapihwa neHome Fleet. Nenzira isingadzivisiki, konvo yakauya ichirwiswa, kutanga nechiitiko musi wa 25 May chakakuvadza ngarava inotakura zvinhu SS Carlton. Kurwiswa kwakapfuurira kubva kumaU-boats uye dzinenge 242 ndege dzeGermany dzakapa huwandu hwezvikepe zvinomwe zvakanyura musi wa 26-27 Chivabvu. Chikepe chinotungamira chakashandurwa kuenda kumotokari inodzoka QP 12 musi wa 26 May. 