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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.

Teledyne Slocum Sentinel

A larger Slocum glider intended for long-duration sensing, with a documented 2026 naval acoustic demonstration.

Country / region
United States
Programme status
Development / trials
Sources reviewed
21 Sept 2026
Development / trialsDevelopment / trials
Primary domain
Underwater
System type
Underwater glider
Developer / manufacturer
Teledyne Webb Research
Origin / production countries
United States
Other names
No additional names recorded
Variants / configurations
Not distinguished in reviewed sources
Operators / programme customers
Not identified in reviewed sources

Evidence & current status

Published product data does not establish acceptance of every offered configuration.

Role & capabilities

  • Persistent environmental sensing
  • Acoustic-sensing trials

Specifications in context

Configuration
Buoyancy-driven autonomous glider

Published model baseline; payload, battery and conditions affect performance.

Source ↗
Hull / propulsion
Buoyancy engine; data sheet lists 23 kWh primary-lithium energy

Published model baseline; payload, battery and conditions affect performance.

Source ↗
Dimensions
2.57 m long; 0.33 m diameter

Published model baseline; payload, battery and conditions affect performance.

Source ↗
Displacement / mass
171 kg

Published model baseline; payload, battery and conditions affect performance.

Source ↗
Payload
3.5 kg listed allowance

Published model baseline; payload, battery and conditions affect performance.

Source ↗
Endurance
Advertised 2+ years with the stated primary-lithium energy configuration

Supplier design figure; not evidence of a completed two-year deployment.

Source ↗
Range
Not established in the reviewed public sources.

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

Source ↗
Speed
1 knot average; 2 knots maximum gliding speed

Published model baseline; payload, battery and conditions affect performance.

Source ↗
Operating depth
1,000 m

Published model baseline; payload, battery and conditions affect performance.

Source ↗
Sensors
Not established in the reviewed public sources.

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

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 ↗