SSN 637 Sturgeon

Sturgeon

SSN 637 Sturgeon (1970)

Type	SSN
Country	USA
Displacement (t)	4,780
Length (m)	89.1
Beam (m)	9.7
Draft (m)	7.4
Height (m)	9.7
Max speed submerged (kn)	25.0
Max speed surfaced (kn)	15.0
Max safe depth (m)	305
Endurance (days)	70
Propeller	1 x 7 bladed propeller
Nuclear reactors	1
Titanium hull	No
Navigation system	SINS Mk 2 (Inertial Navigation System)
Class year	1970

Sensors

Sonar (9)

Name	Type	Platform	Passive range (km)	Active range (km)
BQA-8A	cav	sub	—	—
BQQ-3 Active	Hull	sub	—	4.3
BQQ-3 Hull (BQR-7)	Hull	sub	2.9	—
BQQ-3 Sphere (BQS-12)	Spherical	sub	3.4	—
BQS-14	Mine detection	sub	—	0.9
BSH-2	ssp	sub	—	—
DUUG-2	Active Intercept		—	—
UQG-1	com	sub	—	—
UQN-1B	Echo sounder	sub	—	—

Radar (1)

Name	NATO name	Air search	Surface search	Fire control
BPS-14		—	Yes	—

Launchers (2)

Name

Tubes

Fire control

Max launch depth (m)

533mm Torpedo Tube (forward)

Mk 113 Mod 6

305

1967 - 1970: 6 x Mk 16 Mod 8 , 14 x Mk 37 Mod 2 , 4 x UUM-44A SUBROC
1971 - 1973: 20 x Mk 48 Mod 1 , 4 x UUM-44A SUBROC
1974 - 1976: 20 x Mk 48 Mod 2 , 4 x UUM-44A SUBROC
1977 - 1982: 20 x Mk 48 Mod 3 , 4 x UUM-44A SUBROC
1983 - 1987: 20 x Mk 48 Mod 4 , 4 x UUM-44A SUBROC
1988 - present: 20 x Mk 48 Mod 5 ADCAP , 4 x UUM-44A SUBROC

Signal Ejector

—

305

Towed devices (1)

Name	Type	NATO name	Towed decoy	Capabilities	Cable (m)	Depth (m)	Speed (kn)
BCA	Trailing wire	—	—	Receive, Transmit, Radio (VLF, LF, MF, HF, Radio navigation)	549	91 – 37	2.3 – 9.0

Individual hulls (28)

Name

Short name

Country

Start date

End date

Remark

SSN-637 Sturgeon

USS Sturgeon

USA

1971-01-01 (Modernization from "SSN 637 Sturgeon (1967)")

1982-01-01 (Modernization to "SSN 637 Sturgeon (1980)")

SSN-638 Whale

USS Whale

USA

1972-01-01 (Modernization from "SSN 637 Sturgeon (1967)")

1980-01-01 (Modernization to "SSN 637 Sturgeon (1980)")

SSN-639 Tautog

USS Tautog

USA

1976-01-01 (Modernization from "SSN 637 Sturgeon (1967)")

1997-03-01 (Decommissioned)

SSN-646 Grayling

USS Grayling

USA

1974-06-01 (Modernization from "SSN 637 Sturgeon (1967)")

1980-01-01 (Overhaul)

US Atlantic Fleet: 1974-06-01 – 1978-08-01
US Atlantic Fleet: 1978-08-01 – 1980-01-01 (Overhaul)

SSN-647 Pogy

USS Pogy

USA

1974-01-01 (Modernization from "SSN 637 Sturgeon (1967)")

1999-06-11 (Decommissioned)

SSN-648 Aspro

USS Aspro

USA

1976-01-01 (Modernization from "SSN 637 Sturgeon (1967)")

1995-03-31 (Decommissioned)

SSN-649 Sunfish

USS Sunfish

USA

1969-03-15 (Modernization from "SSN 637 Sturgeon (1967)")

1980-01-01 (Modernization to "SSN 637 Sturgeon (1980)")

SSN-650 Pargo

USS Pargo

USA

1973-01-01 (Modernization from "SSN 637 Sturgeon (1967)")

1987-01-01 (Overhaul)

US Atlantic Fleet: 1973-01-01 – 1985-01-01
US Atlantic Fleet: 1985-01-01 – 1987-01-01 (Overhaul)

SSN-651 Queenfish

USS Queenfish

USA

1976-01-01 (Modernization from "SSN 637 Sturgeon (1967)")

1992-04-14 (Decommissioned)

US Pacific Fleet: 1976-01-01 – 1981-08-01
US Pacific Fleet: 1981-08-01 – 1983-03-01 (Overhaul)
US Pacific Fleet: 1983-03-01 – 1992-04-14 (Decommissioned)

SSN-652 Puffer

USS Puffer

USA

1976-01-01 (Modernization from "SSN 637 Sturgeon (1967)")

1996-07-12 (Decommissioned)

SSN-653 Ray

USS Ray

USA

1972-01-01 (Modernization from "SSN 637 Sturgeon (1967)")

1982-01-01 (Modernization to "SSN 637 Sturgeon (1980)")

SSN-660 Sand Lance

USS Sand Lance

USA

1971-09-25 (Modernization from "SSN 637 Sturgeon (1967)")

1983-01-01 (Modernization to "SSN 637 Sturgeon (1980)")

SSN-661 Lapon

USS Lapon

USA

1974-01-01 (Modernization from "SSN 637 Sturgeon (1967)")

1983-01-01 (Modernization to "SSN 637 Sturgeon (1980)")

SSN-662 Gurnard

USS Gurnard

USA

1976-01-01 (Modernization from "SSN 637 Sturgeon (1967)")

1995-04-28 (Decommissioned)

SSN-663 Hammerhead

USS Hammerhead

USA

1971-01-01 (Modernization from "SSN 637 Sturgeon (1967)")

1981-01-01 (Modernization to "SSN 637 Sturgeon (1980)")

SSN-664 Sea Devil

USS Sea Devil

USA

1969-01-30 (Modernization from "SSN 637 Sturgeon (1967)")

1982-01-01 (Modernization to "SSN 637 Sturgeon (1980)")

SSN-665 Guitarro

USS Guitarro

USA

1976-01-01 (Modernization from "SSN 637 Sturgeon (1967)")

1992-05-29 (Decommissioned)

SSN-666 Hawkbill

USS Hawkbill

USA

1976-01-01 (Modernization from "SSN 637 Sturgeon (1967)")

2000-03-15 (Decommissioned)

SSN-667 Bergall

USS Bergall

USA

1969-06-13 (Modernization from "SSN 637 Sturgeon (1967)")

1983-01-01 (Modernization to "SSN 637 Sturgeon (1980)")

SSN-668 Spadefish

USS Spadefish

USA

1969-08-14 (Modernization from "SSN 637 Sturgeon (1967)")

1984-01-01 (Modernization to "SSN 637 Sturgeon (1980)")

SSN-669 Seahorse

USS Seahorse

USA

1969-09-19 (Modernization from "SSN 637 Sturgeon (1967)")

1985-01-01 (Modernization to "SSN 637 Sturgeon (1980)")

US Atlantic Fleet: 1969-09-19 – 1976-01-01
US Atlantic Fleet: 1976-01-01 – 1985-01-01

SSN-670 Finback

USS Finback

USA

1970-02-04 (Modernization from "SSN 637 Sturgeon (1967)")

1985-01-01 (Modernization to "SSN 637 Sturgeon (1980)")

US Atlantic Fleet: 1970-02-04 – 1976-01-01
US Atlantic Fleet: 1976-01-01 – 1985-01-01

SSN-672 Pintado

USS Pintado

USA

1976-01-01 (Modernization from "SSN 637 Sturgeon (1967)")

1985-01-01 (Modernization to "SSN 637 Sturgeon (1980)")

SSN-673 Flying Fish

USS Flying Fish

USA

1970-04-29 (Modernization from "SSN 637 Sturgeon (1967)")

1985-01-01 (Modernization to "SSN 637 Sturgeon (1980)")

US Atlantic Fleet: 1970-04-29 – 1976-01-01
US Atlantic Fleet: 1976-01-01 – 1985-01-01

SSN-674 Trepang

USS Trepang

USA

1970-08-14 (Modernization from "SSN 637 Sturgeon (1967)")

1985-01-01 (Modernization to "SSN 637 Sturgeon (1980)")

US Atlantic Fleet: 1970-08-14 – 1976-01-01
US Atlantic Fleet: 1976-01-01 – 1985-01-01

SSN-675 Bluefish

USS Bluefish

USA

1971-01-08 (Modernization from "SSN 637 Sturgeon (1967)")

1985-01-01 (Modernization to "SSN 637 Sturgeon (1980)")

US Atlantic Fleet: 1971-01-08 – 1976-01-01
US Atlantic Fleet: 1976-01-01 – 1985-01-01

SSN-676 Billfish

USS Billfish

USA

1971-03-12 (Modernization from "SSN 637 Sturgeon (1967)")

1985-01-01 (Modernization to "SSN 637 Sturgeon (1980)")

US Atlantic Fleet: 1971-03-12 – 1976-01-01
US Atlantic Fleet: 1976-01-01 – 1985-01-01

SSN-677 Drum

USS Drum

USA

1976-01-01 (Modernization from "SSN 637 Sturgeon (1967)")

1985-01-01 (Modernization to "SSN 637 Sturgeon (1980)")