FORCETALLY
Loading the evidence…
Preparing your view.
Preparing your view.
At a glance
Columbia-class submarinelarger figure on 3 of 3
Ghadir-class submarinelarger figure on 0 of 3
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Measured figures
Length
Single source560 ft (171 m)[source]
Length
Single sourceConfiguration
| Specification | Columbia-class submarine | Ghadir-class submarine |
|---|---|---|
| Range | Unlimited[source] | — |
| Power | S1B[source] | — |
| Preceded by | Ohio class (ballistic missile submarine variant)[source] | Nahang class[source] |
| Cost | US$ 109.8 billion for 12 boats (FY2021, projected) US$ 9.15 billion per unit (FY2021, projected)[source] | — |
| Built | 2020–present[source] | — |
29 m (95 ft 2 in)[source]
Maximum; Submerged
Single sourceMaximum; Surfaced
Single source10 knots (19 km/h; 12 mph) surfaced 8 knots (15 km/h; 9.2 mph) submerged[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Planned | 12[source] | — |
|---|
| On order | — |
|---|
| Building | — |
|---|
| Type | Nuclear-powered ballistic missile submarine (SSBN)[source] | Midget submarine[source] |
|---|
| Propulsion | Turbo-electric drive, pump-jet[source] | Diesel-electric propulsion[source] |
|---|
| Sensors & processing systems | Enlarged version of the Virginia -class LAB sonar[source] | — |
|---|
| Armament | 16 × Trident D5 and torpedo tubes[source] | 2 × 533 mm (21 in) torpedo tubes[source] |
|---|
| Country of origin | United States[source] | Iran[source] |
|---|
| Manufacturer | General Dynamics Electric Boat[source]Columbia class · District of Columbia SSBN-826 construction | — |
|---|
| Name | — | Ghadir[source] |
|---|
| Builders | — | Marine Industries Organization[source] |
|---|
| Operators | — | Islamic Republic of Iran Navy[source] |
|---|
| In service | — | 2007–present[source] |
|---|
| Completed | — | 20[source] |
|---|
| Active | — | 20[source] |
|---|