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| History | |
|---|---|
 United States | |
| Name | USS Greenling |
| Awarded | 9 June 1960 |
| Builder | General Dynamics Electric Boat, Groton, Connecticut |
| Laid down | 15 August 1961 |
| Launched | 4 April 1964 |
| Commissioned | 3 November 1967 |
| Decommissioned | 18 April 1994 |
| Stricken | 18 April 1994 |
| Motto | Steel true and blade straight |
| Fate | Entered Ship-Submarine Recycling Program, 1994 |
| General characteristics | |
| Class and type | Thresher/Permit-class submarine |
| Displacement | 3,732 long tons (3,792 t) |
| Length | 292 ft 3 in (89.08 m) |
| Beam | 31 ft 8 in (9.65 m) |
| Draft | 24 ft (7.3 m) |
| Propulsion | S5W PWR |
| Speed | more than 30 knots (56 km/h; 35 mph) |
| Complement | 114 officers and men |
| Armament | • 4 × 21 in (533 mm) torpedo tubes |
USS Greenling (SSN-614) was a Permit-class submarine. She was the second ship of the United States Navy to be named for the greenling, an elongated, fine-scaled fish found from Kamchatka to California. Her keel was laid down on 15 August 1961 by General Dynamics Electric Boat of Groton, Connecticut.
On 10 April 1963, Thresher, the lead ship of Greenling's class, was lost due to severe design flaws in her non-nuclear piping systems. Because she was still early in the construction process, Greenling was one of three selected Thresher-class submarines selected for conversion to the "improved Thresher class." (The other two were SSN-613 Flasher and SSN-615 Gato.) She was launched on 4 April 1964 sponsored by Mrs. H.C. Bruton. On 29 April, she was towed to Quincy, Massachusetts, for lengthening and submarine safety program (SUBSAFE) modifications. Modifications included increased buoyancy and adding 13 feet 9 inches of length to the hull, providing improved living and working conditions for the crew and space for additional equipment. Before construction of Greenling was completed, she and her sister ships were redesignated the Permit class, after the eldest surviving member of the class. Greenling was commissioned on 3 November 1967.