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