"Dyugon-class landing craft"@en . . "Dyugon class landing craft, or Project 21820, is a class of landing ship being constructed for the Russian Navy."@en . "--06-01"^^ . . . . "300"^^ . . . "Dyugon class landing craft, or Project 21820, is a class of landing ship being constructed for the Russian Navy."@en . . . "Dyugon class"@en . . . . . .