Vanguard Overlord USV
A purpose-built US Navy autonomy demonstrator in the Overlord programme.
- Country / region
- United States
- Programme status
- Development / trials
- Sources reviewed
- 21 Sept 2026
- Primary domain
- Sea surface
- System type
- Uncrewed surface vessel
- Developer / manufacturer
- Austal USA / L3Harris
- Origin / production countries
- United States
- Other names
- Vanguard USV; Vanguard OUSV
- Variants / configurations
- Not distinguished in reviewed sources
- Operators / programme customers
- US Navy — experimental programme
Evidence & current status
Delivered experimental vessels remain distinguished from operational fleet acceptance and future production programmes.
Role & capabilities
- Naval autonomy research
- Modular mission carriage
Specifications in context
- Configuration
- Purpose-built Overlord experimental USV
Published programme baseline; not a generic figure for other USVs.
Source - Hull / propulsion
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source - Dimensions
- Approximately 60-metre design
Austal's Overlord design description; detailed as-delivered hull particulars not established here.
Source - Displacement / mass
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source - Payload
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source - Endurance
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source - Range
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source - Speed
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source - Sea state / environment
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source - Sensors
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source - Communications / control
- Uncrewed operations and naval autonomy experimentation
Published programme baseline; not a generic figure for other USVs.
Source - Launch / deployment
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source