Rubuta ci gaba don wannan sakin layi - Smetlivy () yana ɗaya daga cikin 29 (wanda aka sani da suna Project 7) wanda aka gina don Sojojin Ruwa na Soviet a ƙarshen shekarun 1930. An kammala shi a 1938, an sanya shi zuwa Baltic Fleet kuma ya taka muhimmiyar rawa a cikin 1939-1940 Winter War da Finland. Bayan fara mamayewar Jamus ga Tarayyar Soviet (Operation Barbarossa) a watan Yunin 1941, jirgin ya shiga cikin Kamfen na Riga kafin ya koma Tallinn, Estonia. "Smetlivy" ya goyi bayan sojojin Soviet yayin kare Tallinn a watan Agusta kuma ya rufe kwashewa daga baya
zuwa Leningrad. Jirgin ya ba da tallafin bindiga na ruwa ga masu kare Leningrad a cikin watanni da yawa kafin a ba shi aikin kwashe sojojin Soviet daga sansanin su a Hanko, Finland, a watan Nuwamba. "Smetlivy" ya buga wasu ma'adanai da ke dawowa daga Hanko kuma ya nutse tare da asarar rayuka masu yawa.