REMUS 620
Medium-class modular AUV with multi-day advertised endurance and documented customer procurement and integration trials.
- Country / region
- United States
- Programme status
- Order / production commitment
- Sources reviewed
- 20 Sept 2026
- Primary domain
- Underwater
- System type
- Autonomous underwater vehicle
- Developer / manufacturer
- HII
- Origin / production countries
- United States
- Other names
- No additional names recorded
- Variants / configurations
- One-, two- and three-battery base configurations; Payload-specific configurations
- Operators / programme customers
- Unnamed Indo-Pacific customer — sale reported by HII
Evidence & current status
Procurement and integration are documented by the supplier. The maximum duration and range require their stated energy configuration and cannot be combined with minimum mass.
Role & capabilities
- Multi-day underwater survey
- Modular payload carriage
- Environmental and seabed sensing
Specifications in context
- Configuration
- Modular medium-class untethered AUV
Published specification for the cited configuration; payload, environment and speed affect performance.
Source ↗ - Hull / propulsion
- Battery-electric propeller propulsion
Published specification for the cited configuration; payload, environment and speed affect performance.
Source ↗ - Dimensions
- One-battery base: approximately 2.7 m long; 32.4 cm diameter
Published specification for the cited configuration; payload, environment and speed affect performance.
Source ↗ - Displacement / mass
- One-battery base: approximately 188 kg
Published specification for the cited configuration; payload, environment and speed affect performance.
Source ↗ - Payload
- Configurable wet and dry modules; no universal spare payload mass stated
Published specification for the cited configuration; payload, environment and speed affect performance.
Source ↗ - Endurance
- Base configurations: 42–110 hours according to battery count
Sonar-equipped examples have lower endurance; maximum is not valid for every payload.
Source ↗ - Range
- Base configurations: 204–509 km according to battery count
Published travel range, not communications reach; payload-equipped examples differ.
Source ↗ - Speed
- 2–8 kt, dependent on configuration and environment
Published specification for the cited configuration; payload, environment and speed affect performance.
Source ↗ - Operating depth
- 600 m
Published specification for the cited configuration; payload, environment and speed affect performance.
Source ↗ - Sensors
- Environmental sensors; configurable sonar and other payloads
Published specification for the cited configuration; payload, environment and speed affect performance.
Source ↗ - Communications / control
- Acoustic, satellite and Wi-Fi links; onboard autonomous mission control
Published specification for the cited configuration; payload, environment and speed affect performance.
Source ↗ - Launch / deployment
- Not established in the reviewed public sources.
Public data gap; no estimate or neighbouring variant value substituted.
Source ↗