These two M-class frigates entered service with the Belgian Navy where they were renamed Leopold I and Louise-Marie. In October 2005, the Wielingen-class frigate Wandelaar was officially handed over to the Bulgarian Navy, which christened the ship as Drăzki ('The Bolds'). The remaining ships of the class were transferred to Bulgaria as well, after completing modernization in Belgium.
Two M-class frigates entered service with the Belgian Navy and were renamed Leopold I and Louise-Marie. In 2005, the Wielingen-class frigate Wandelaar was handed over to the Bulgarian Navy, which christened it Drăzki ('The Bolds'). The remaining ships of the class were transferred to Bulgaria after modernization in Belgium.