Singapore MARSEC USV
Singapore's autonomous maritime-security vessel began operational patrols in January 2025, according to the defence ministry.
- Country / region
- Singapore
- Programme status
- In service / use documented
- Sources reviewed
- 20 Sept 2026
- Primary domain
- Sea surface
- System type
- Uncrewed surface vessel
- Developer / manufacturer
- DSTA / DSO / ST Engineering / Republic of Singapore Navy programme
- Origin / production countries
- Singapore
- Other names
- Maritime Security Unmanned Surface Vessel; MARSEC-USV
- Variants / configurations
- Republic of Singapore Navy maritime-security configuration
- Operators / programme customers
- Republic of Singapore Navy
Evidence & current status
Status is supported by an operator statement. Autonomous navigation does not mean every mission decision or onboard system operates without human supervision.
Role & capabilities
- Maritime security patrol
- Remote vessel communication
- Autonomous navigation with human mission supervision
Specifications in context
- Configuration
- Uncrewed patrol vessel with autonomous navigation
Operator-defined configuration.
Source ↗ - Hull / propulsion
- Not established in the reviewed public sources.
Public data gap; no estimate or neighbouring variant value substituted.
Source ↗ - Dimensions
- 16.9 m length; 5.2 m beam
Supplier-published figure; configuration and operating conditions affect performance.
Source ↗ - Displacement / mass
- 30 tonnes
Supplier-published figure; configuration and operating conditions affect performance.
Source ↗ - Payload
- Searchlight, warning and acoustic communication equipment; configurable security systems
Listed equipment, not a mass allowance.
Source ↗ - Endurance
- More than 36 hours
Supplier-published figure; configuration and operating conditions affect performance.
Source ↗ - Range
- Not established in the reviewed public sources.
Public data gap; no estimate or neighbouring variant value substituted.
Source ↗ - Speed
- More than 25 knots
Supplier-published figure; configuration and operating conditions affect performance.
Source ↗ - Sea state / environment
- Not established in the reviewed public sources.
Public data gap; no estimate or neighbouring variant value substituted.
Source ↗ - Sensors
- Navigation radar and GPS; maritime-security mission equipment
Supplier-published figure; configuration and operating conditions affect performance.
Source ↗ - Communications / control
- Two remote operators; autonomous navigation with remotely controlled mission functions
Remote operators are not an onboard crew.
Source ↗ - Launch / deployment
- Not established in the reviewed public sources.
Public data gap; no estimate or neighbouring variant value substituted.
Source ↗