Steregushchiy class corvette is the newest class of corvette in the Russian Navy. It was designed by the Almaz Central Marine Design bureau. The first ship was designated Project 2038.0 (or 20380) by the Russian Government; subsequent vessels were built to an improved design, Project 20381. At 2,200 tons it is large for a corvette and is designated as a frigate by NATO.[1] Project 20382 Tigr is an export variant that has been ordered by Algeria. The Steregushchiy class has been further developed into the Project 20385 Gremyashchiy-class corvette and Project 20386 Derzky-class corvette.