Denjaka
| Jala Mangkara Detachment | |
|---|---|
| Detasemen Jala Mengkara | |
| Active | 13 November 1984 – present |
| Country | Indonesia |
| Branch | Indonesian Navy |
| Type | Navy Special Forces |
| Size | One detachment |
| Part of | Indonesian Marine Corps |
| Garrison/HQ | Cilandak, Jakarta |
| Nickname(s) | Hantu Laut |
| Motto(s) | Satya Wira Dharma ("Ready to act against any threat of danger") |
| Beret color | Reddish Purple |
| Anniversaries | 4 November |
| Engagements | |
| Commanders | |
| Current commander | Colonel (Marine) Samson Sitohang |
| Notable commanders | MajGen Yussuf Solichien, Ph.D. LtGen Dr. Nono Sampono LtGen Alfan Baharudin LtGen R.M. Trusono LtGen Suhartono LtGen Nur Alamsyah |
Denjaka (abbreviation from Detasemen Jala Mengkara; Jala Mangkara Detachment) is a counter-terrorism special operations force of the Indonesian Navy. It is a combined detachment formed from selected personnel of the Navy's frogmen unit (KOPASKA) and the Marine Corps' Amphibious Reconnaissance Battalion (Taifib).