Wikipedia
The Marine Combat Unit (, UNGERIN), Combat Diving Unit or Maritime Assault Team is a maritime Special Operations Malaysian counter-terrorism squad, and part of the Royal Malaysia Police. Fully operational on 2007, the UNGERIN conducts anti-piracy and counter-terrorism operations in the coastal waters surrounding Malaysia and assists the marine police to respond swiftly.
It is funded, equipped, and trained by the United States, the UNGERIN operates out of the RMP's Marine Police Bases in Kampung Aceh, Sitiawan, Perak for suppression of critical situations in the Straits of Malacca and Lahad Datu Marine Police Base, Sabah for operations in Sabah and Sarawak.
For most operations, the unit is to be supported by various Malaysian special forces units, including Pasukan Gerakan Khas when crimes takes place in Malaysian waters.