 Nyora kupfuurira kweiyi ndima - Kutevera PQ 18 yakarwa zvakaoma uye PQ 17 ine njodzimuhondo mumatsutso nomuzhizha ra1942, makondirakiti okupa zvokuyamura eAllied kuSoviet Union akanga amiswa kwenguva pfupi. Muna December 1942 ivo vakatangazve nhevedzano itsva yemotokari dzeJWRA. Kupesana nomukana iwoyo maGerman akanga aunganidza simba guru rengarava dzomumvura nezvikepe zveU-boats, zvaitsigirwa nendege dzaibva ku German Air Force. 