VECTORDEFENCE DRONE
INTELLIGENCE
INDEPENDENT PERSPECTIVE
THE EVOLVING FIELD GUIDE
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DEFENCE DRONES / THE LIBRARY

Compare the evidence.

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

OZZ-5

Japan's mine-search AUV, with a documented equipment baseline and continuing sonar research.

Country / region
Japan
Programme status
Development / trials
Sources reviewed
21 Sept 2026
Development / trialsDevelopment / trials
Primary domain
Underwater
System type
Autonomous underwater vehicle
Developer / manufacturer
Mitsubishi Heavy Industries
Origin / production countries
Japan
Other names
No additional names recorded
Variants / configurations
Not distinguished in reviewed sources
Operators / programme customers
Japan Ministry of Defense — programme customer

Evidence & current status

Unreported specifications and model-specific operator acceptance remain explicit uncertainties.

Role & capabilities

  • Underwater survey
  • Environmental assessment

Specifications in context

Configuration
Not established in the reviewed public sources.

Public evidence gap. No estimate or neighbouring variant value has been substituted.

Source ↗
Hull / propulsion
Not established in the reviewed public sources.

Public evidence gap. No estimate or neighbouring variant value has been substituted.

Source ↗
Dimensions
4 m long; 0.5 m wide

FY2018 equipment-guide baseline, not a guarantee of latest research fit.

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
9 hours or more

FY2018 baseline; test speed and payload duty cycle not stated.

Source ↗
Range
Not established in the reviewed public sources.

Public evidence gap. No estimate or neighbouring variant value has been substituted.

Source ↗
Speed
7 knots or less

FY2018 government wording retained.

Source ↗
Operating depth
Not established in the reviewed public sources.

Public evidence gap. No estimate or neighbouring variant value has been substituted.

Source ↗
Sensors
Low- and high-frequency synthetic-aperture sonar

Published baseline; configuration and mission conditions affect performance.

Source ↗
Communications / control
Not established in the reviewed public sources.

Public evidence gap. No estimate or neighbouring variant value has been substituted.

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

Public evidence gap. No estimate or neighbouring variant value has been substituted.

Source ↗