Fänrik (vänrikki in Finnish) (from German language Fähnrich) is a Swedish and Finnish military rank. A typical assignment for a professional Fänrik is as junior instructor of recruits. In Finland, the rank vänrikki is used in active service by reserve officers who remain in service as for 6-to-12-months-long additional term to serve as sopimussotilas. In addition, it is the lowest reserve officer rank. Finnish Defence Forces rank of Vänrikki is comparable to Ranks of NATO armies officers as OF-1.