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At a glance
Explorer-class surveillance shiplarger figure on 1 of 1
Measured figures
Length
Single source356 ft (109 m)[source]
Length
Single sourceConfiguration
| Specification | Explorer-class surveillance ship | Rigid Raider |
|---|---|---|
| Displacement | 8,500 tons[source] | — |
| Name | Explorer class[source] | — |
| Builders | Austal USA , Mobile , Alabama[source] | — |
| Operators | United States Navy[source] | — |
| Preceded by | Impeccable class[source] | — |
| Cost | US$ 789.6 million for first ship (FY2025) US$ 3.2 billion for 7 ships (FY2023) |
Rigid Raiderlarger figure on 0 of 1
Counts only measures both sources give with the same scope. A larger figure is not a better system.
6.5 m (21 ft 4 in)[source]
In excess of
Single sourceIn excess of 120 nautical miles (220 km)[source]
6-cylinder turbo-diesel
Single source6-cylinder turbo-diesel , 240 hp (180 kW)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
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| Planned | — |
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| Building | — |
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| Completed | — |
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| Canceled | — |
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| Active | — |
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| Sensors & processing systems | SURTASS passive and active low frequency sonar arrays[source] | — |
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| Role | special mission-support ship[source] | fast raiding and assault craft[source]Exact source equipment subject, not its payload or a supported platform |
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| Troops | — | 10 Royal Marines (2 crew, 8 fully equipped troops)[source] |
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| Country of origin | — | United Kingdom[source]Inventory Origin column; table 2, row 3, cell 2; revision 1373375989; retrieved 2026-09-30 |
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