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Underwater · Remotely operated underwater vehicle

Saab Double Eagle MuMNS

A reusable tethered underwater vehicle integrated into French and British mine-countermeasure programmes.

Role & capabilities

  • Mine-countermeasure support
  • Remote underwater inspection
Order / production commitmentOrder / production commitment
Primary domain
Underwater
System type
Remotely operated underwater vehicle
Developer / manufacturer
Saab
Origin / production countries
Sweden
Other names
Multi-Shot Mine Neutralisation System
Variants / configurations
Not distinguished in reviewed sources
Operators / programme customers
United Kingdom — MMCM programme; France — MMCM programme

Evidence & current status

Configuration and acceptance claims are kept separate from wider family marketing.

MuMNS is the compact reusable underwater vehicle in Saab's Double Eagle mine-countermeasure portfolio. It operates as part of a wider system that includes a tether, surface control equipment and launch-and-recovery hardware. This distinguishes the vehicle from expendable mine-disposal devices and from survey AUVs that execute an untethered route.

Its public programme relevance comes from the French and British maritime mine-countermeasure effort. Saab identifies the two navies in its programme material, while the exact acceptance state of each host vessel and complete mission package requires separate evidence. Delivery of one component does not automatically mean that an entire naval capability is operational.

The published dimensions and depth rating describe MuMNS itself, not the larger Double Eagle SAROV or the deeper-rated MDS. Integration with uncrewed surface craft makes it a useful example of one robotic platform carrying and supporting another. The catalogue records this system relationship and the reusable vehicle's high-level characteristics; it does not treat the payload's disposal sequence as part of a general technical profile.

Sourced specifications

Figures apply to the named configuration. Maximum values are not guaranteed operating performance.

SpecificationReported valueContext & source
ConfigurationReusable tethered mine-countermeasure ROVConfiguration-specific published baseline; installed equipment and conditions can alter performance. Source ↗
Hull / propulsionNot established in the reviewed public sources.Public evidence gap. No estimate or neighbouring variant value has been substituted. Source ↗
Dimensions2.7 × 1.0 × 0.6 mConfiguration-specific published baseline; installed equipment and conditions can alter performance. Source ↗
Displacement / mass415 kg fully loadedConfiguration-specific published baseline; installed equipment and conditions can alter performance. Source ↗
PayloadNot established in the reviewed public sources.Public evidence gap. No estimate or neighbouring variant value has been substituted. Source ↗
EnduranceNot established in the reviewed public sources.Public evidence gap. No estimate or neighbouring variant value has been substituted. Source ↗
RangeNot established in the reviewed public sources.Public evidence gap. No estimate or neighbouring variant value has been substituted. Source ↗
Speed0–4 knotsConfiguration-specific published baseline; installed equipment and conditions can alter performance. Source ↗
Operating depth300 mConfiguration-specific published baseline; installed equipment and conditions can alter performance. Source ↗
SensorsNot established in the reviewed public sources.Public evidence gap. No estimate or neighbouring variant value has been substituted. Source ↗
Communications / controlNot established in the reviewed public sources.Public evidence gap. No estimate or neighbouring variant value has been substituted. Source ↗
Launch / deploymentSurface launch-and-recovery system; compatible with uncrewed surface-vessel integrationConfiguration-specific published baseline; installed equipment and conditions can alter performance. Source ↗

Publication history

  • — Added in the September 2026 global coverage review, with sources, configuration limits and explicit data gaps.

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Follow the evidence

Source types identify who makes the claim. Programme milestones and supplier statements should be read in context.

  1. MuMNS vehicle and system brochure (opens in a new tab)Manufacturer
  2. MuMNS model comparison (opens in a new tab)Manufacturer
  3. Saab February 2026 programme overview (opens in a new tab)Manufacturer
  4. British and French programme identification (opens in a new tab)Manufacturer

Explore the connections

Manufacturer indexSweden

Saab

Connected land and maritime programmes: Sabertooth.

Reviewed 20 Sept 2026Read