But some Italian cruiser classes were rather deficient in armor . All Italian warships lacked radar for most of the war , although the lack of radar was partly offset by the fact that Italian warships were equipped with good `` rangefinder '' and `` fire-control '' systems . But some Italian cruiser classes were rather deficient in armor and all Italian warships lacked radar , although the lack of radar was partly offset by the fact that Italian warships were equipped with good rangefinder and fire-control systems for daylight combat .