query: Why do the Special Forces wear green berets?
passage: Green beret
U.S. Special Forces wear the green beret as a distinction of excellence and uniqueness within the Army.
passage: Uniform beret
Members of the Singapore Civil Defence Force attached to a headquarters element, or on overseas missions, also wear black berets. These are adorned with the SCDF crest, and may sport a flash in certain specialist units, such as the Rescue Dog Unit and the elite Disaster Assistance and Rescue Team.