 Nyora kupfuurira kweiyi ndima - Kubva kuungwaru hwakawanikwa nekuongororwa kwekufambiswa kwemasaini eredhiyo eGerman, maBritish akange agumisa kuti ngarava huru dzehondo dzeGerman dzaive kuda kuenda kugungwa; Ultra ungwaru hwakawanikwa nekutyora makodhi eGerman haina kupa chero ruzivo nezveOperation Berlin sezvo maBritish aisakwanisa kududzira makodhi panguva ino. Pana 20 January Admiralty yakanyevera Home Fleet kuti kumwe kudenha kweGermany kwaigona kuitika. Tovey pakarepo akatumira ngarava mbiri dzinorwisa dzinorema kuti dzisimbise mapurisa pakati peIceland yakagarwa neAllieduye Faroe Islands. Musi wa 23 January mukuru mukuru wehondo yeBritain muSweden akapfuudza mushumo kubva kuvashandi muDenmark kuti ngarava dzehondo dzeGermany dzakanga dzaonekwa dzichipfuura neGreat Belt. Ruzivo urwu rwakapiwa Tovey manheru omusi wa25 January. 