SSBN 598 George Washington

George Washington

SSBN 598 George Washington (1965)

Type	SSBN
Country	USA
Displacement (t)	6,700
Length (m)	116.3
Beam (m)	10.0
Draft (m)	8.8
Height (m)	10.0
Max speed submerged (kn)	22.0
Max speed surfaced (kn)	16.0
Max safe depth (m)	213
Endurance (days)	60
Propeller	1 x 7 bladed propeller
Nuclear reactors	1
Titanium hull	No
Navigation system	SINS Mk 2 (Inertial Navigation System)
Class year	1965

Sensors

Sonar (9)

Name	Type	Platform	Passive range (km)	Active range (km)
BQA-8	cav	sub	—	—
BQR-12	Mine detection	sub	—	0.9
BQR-2B	Hull	sub	1.3	—
BQR-7	Hull	sub	2.6	—
BQS-4	Hull	sub	—	1.7
BSH-2	ssp	sub	—	—
DUUG-1	Active Intercept		—	—
UQG-1	com	sub	—	—
UQN-1B	Echo sounder	sub	—	—

Radar (2)

Name	NATO name	Air search	Surface search	Fire control
BPS-12		—	Yes	—
BRD-6B		—	—	—

Launchers (3)

Name	Tubes	Fire control	Max launch depth (m)
533mm Torpedo Tube (forward) 6 Mk 112 215 1956 - 1959: 4 x Mk 16 Mod 1 , 8 x Mk 37 Mod 0 1960 - 1966: 4 x Mk 16 Mod 1 , 0 x Mk 37 Mod 0 , 8 x Mk 37 Mod 1 1967 - 1970: 4 x Mk 16 Mod 7 , 8 x Mk 37 Mod 2 , 0 x Mk 37 Mod 3 1971 - 1973: 12 x Mk 48 Mod 1 1974 - 1976: 12 x Mk 48 Mod 2 1977 - 1982: 12 x Mk 48 Mod 3 1983 - 1987: 12 x Mk 48 Mod 4 1988 - present: 12 x Mk 48 Mod 5 ADCAP
Missile Launcher 16 — 40 1959 - 1961: 16 x Polaris A-1 1962 - 1963: 16 x Polaris A-2 1964 - present: 16 x Polaris A-3
Signal Ejector	2	—	305

Extendable devices (7)

Name	NATO name	Capabilities	Max depth (m)	Max speed (kn)
AT-317B Radio Antenna	—	Radio (VLF), Radio navigation	—	7.5
BPS-12 Radar	—	Radar	—	7.5
BRA-9 Radio Antenna	—	Radio (LF, MF, HF), Radio navigation	—	7.5
BRD-6 RDF	—	Direction finder	—	7.5
Snorkel	—	Snorkel	—	7.5
Type 2D attack periscope	—	Periscope (attack)	—	7.5
Type 8 search periscope	—	Periscope (observation)	—	7.5

Towed devices (2)

Name	Type	NATO name	Towed decoy	Capabilities	Cable (m)	Depth (m)	Speed (kn)
BRA-7	Trailing buoy	—	—	Receive, Radio (VLF)	450	213 – 61	3.0 – 12.0
Floating wire VLF (SUBTASK I)	Trailing wire	—	—	Receive, Radio (VLF, LF, Radio navigation)	549	91 – 37	2.3 – 9.0

Notes

New 7-bladed propeller installed, which reduces speed but improves silencing.