VECTORDEFENCE DRONE
INTELLIGENCE
INDEPENDENT PERSPECTIVE
THE EVOLVING FIELD GUIDE
Editor

DEFENCE DRONES / THE LIBRARY

Compare the evidence.

Choose up to three systems. Specifications retain their source and configuration; missing information is left undisclosed.

Saildrone Spectre

A 52-metre uncrewed naval design announced in April 2026, with first sea trials planned for early 2027.

Country / region
United States
Programme status
Concept / announced
Sources reviewed
20 Sept 2026
Concept / announcedConcept / announced
Primary domain
Sea surface
System type
Uncrewed surface vessel
Developer / manufacturer
Saildrone / Fincantieri Marine Group
Origin / production countries
United States
Other names
Spectre MUSV
Variants / configurations
Spectre Silent Endurance — wing-equipped; Spectre Stealth — wingless
Operators / programme customers
No operational customer fleet established in the reviewed sources

Evidence & current status

Concept/announced classification reflects the lack of a completed full-size sea-trial milestone in the reviewed sources. Model tests and approval in principle are not operational certification.

Role & capabilities

  • Planned modular naval payload carriage
  • Planned maritime sensing
  • Planned acoustic-survey support

Specifications in context

Configuration
Uncrewed naval vessel design; wing-equipped and wingless variants

Supplier-published figure; configuration and operating conditions affect performance.

Source ↗
Hull / propulsion
Aluminium hull; twin-shaft diesel/electric propulsion

Announced design.

Source ↗
Dimensions
52 m length; 3.2 m draft; air draft 43 m with wing or 8 m without

Design figures, not an as-built survey.

Source ↗
Displacement / mass
250 tonnes advertised

Announcement does not fully define loading condition.

Source ↗
Payload
Over 70 metric tonnes maximum

Not the payload used for the quoted speed/range condition.

Source ↗
Endurance
Not established in the reviewed public sources.

Public data gap; no estimate or neighbouring variant value substituted.

Source ↗
Range
3,280 nautical miles at 25 knots; over 8,000 nautical miles at 12 knots

Design figures with 25-tonne payload; not a proven voyage.

Source ↗
Speed
27 knots with 25-tonne payload

Conditioned product table value; headline prose also says 'up to 30 knots'.

Source ↗
Sea state / environment
Not established in the reviewed public sources.

Public data gap; no estimate or neighbouring variant value substituted.

Source ↗
Sensors
Customer-defined modular sensing payloads planned

Supplier-published figure; configuration and operating conditions affect performance.

Source ↗
Communications / control
Saildrone remote control and autonomy architecture planned

Supplier-published figure; configuration and operating conditions affect performance.

Source ↗
Launch / deployment
Not established in the reviewed public sources.

Public data gap; no estimate or neighbouring variant value substituted.

Source ↗