Espadon as a museum ship in Saint Nazaire
|Decommissioned:||23 August 1986|
|Identification:||Pennant number: S637|
|Fate:||Museum ship since 1987|
|Displacement:||1635 tons surfaced, 1910 tons submerged|
|Propulsion:||2 shafts, 2 × 7 cylinder diesel engines (4400 hp), 2 electric motors (5000 hp), re engined with new diesels in 1965-68|
|Range:||15,000 nautical miles (28,000 km) at 8 knots (15 km/h; 9.2 mph)|
|Test depth:||400 metres|
|Armament:||8 × 550 mm torpedo tubes - 6 bow& 2 stern, 14 torpedoes carried|
Espadon was commissioned in 1960.
In 1961, as she served as a target for mock torpedo exercises, Espadon was hit by two inert torpedoes, damaging her propeller. She nevertheless managed to surface, but had to be towed to Toulon.
In September of the same year, while cruising underwater, Espadon collided with the submarine Laubie, sustaining extensive damage to her bow and to the front of her sail.
On 13 August 1963 a fire in the torpedo room wounded and intoxicated four sailors, one of whom later died of his wounds.
In May 1964, Espadon and Marsouin steamed under sea ice in the Norwegian Sea as far as 70° north.
Espadon undertook significant modifications from 1966 to 1968, notably upgrading the boat's sonar, sail and rudders.
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Surviving ships launched from 1919 to 1969