Group Diane (, ; known as Brigade Diane in 1973–75) was a former special forces unit of the

Belgian Gendarmerie The Gendarmerie (French) or Rijkswacht (Dutch) was the former national Gendarmerie force of the Kingdom of Belgium. It became a civilian police organisation in 1992, a status it retained until 1 January 2001, when it was, together with the o ...

(1974-1976), later known as SIE/ESI. After the dissolution of the Gendarmerie SIE/ESI was later placed under a central direction called CGSU (Commissioner-General direction of Special Units of the federal police, hence CGSU). CGSU was composed of an Intervention Unit (Group Diane, SIE/ESI), an Observation Unit, a Technical Unit and an Undercover Unit. In 2017 a restructuring of the Federal Police placed the direction under the judicial federal police. It name changed to DSU. The year 2022 is the 50th anniversary of the Intervention Unit of DSU and to celebrate this the Intervention Unit changed its name back to Group Diane.

References

Special forces of Belgium Defunct law enforcement agencies of Belgium {{Belgium-stub