Vickers Tank Periscope MK.IV
Shortly before the war it was given to the British and was used in almost all tanks of WWII , including the British Crusader , Churchill , Valentine , and Cromwell and the American M4 Sherman . 
<triplet> Crusader <subj> British <obj> country of origin <triplet> Churchill <subj> WWII <obj> conflict <triplet> Valentine <subj> British <obj> country of origin <triplet> M4 Sherman <subj> British <obj> used by <subj> WWII <obj> conflict