<prompt> Bhala okuqhubekayo kwalesi sigaba - I - Mark 3 yayinesinye isigaba esiphakathi eyayinikeza ubude nokukhishwa kwamathani angu - 640. Ngisho nangalokhu kukhuluphala okwengeziwe, umkhumbi wawushesha kancane kunoMark 1. I Mk.3 yamukelwa ngo 8 April 1941. I-Mark 4 yayimfushane kancane futhi ilula kune-Mk.3, kodwa yayine-beam ebanzi kakhulu futhi yayihloselwe ukusebenza kwe-cross channel ngokungafani nokusetshenziswa kolwandle. Lapho ihlolwa ekusebenzeni kokuhlasela kwasekuqaleni, njengokuhlaselwa kwe-Allied okubi kakhulu eDieppe  <response>: Ngo-1942, ukungabi bikho kwamandla okuhamba kwaholela ekutheni kuthandwe ubude obufushane obuphelele ezinhlobonhlobo zesikhathi esizayo, iningi lazo elakhiwa e-United States. 