Nuclear submarine USS John Adams (SSBN-620)

RBJ
1 year ago
Nuclear submarine USS John Adams (SSBN-620) 0Nuclear submarine USS John Adams (SSBN-620) 1Nuclear submarine USS John Adams (SSBN-620) 2Nuclear submarine USS John Adams (SSBN-620) 3Nuclear submarine USS John Adams (SSBN-620) 4
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Classification

Submarine class:
Type:
Submarine: Ballistic missile submarine

Basic information

Namesake:
John Adams (1735-1826), second President of the United States (1797-1801), and John Quincy Adams (1767-1848), sixth President of the United States (1825-1829).
Country of build:
Builder:
builder: Portsmouth Naval Shipyard
Operator:
Ordered:
Laid down:
Launched:
Commissioned:
Decommissioned:
Status:

Measurements

Surface displacement:
7370 t
Submerge displacement:
8380 t
Length:
130 m
Beam:
10 m
Draft:
9.6 m

Machine

Propulsion:
  • 1 * S5W PWR nuclear reactor
  • 2 * geared steam turbines (15,000 shp (11,000 kW))
  • 1 * shaft
Surface speed:
20 knots
Submerge speed:
25 knots
Test depth:
400 m

Crew

Complement:
143

Combat assets

Electronics:
  • BQS-4 sonar
  • BQR-7 passive detecting-ranging sonar
  • BQR-19 navigation
  • BQR-15 Signal Processing and Display (SPAD) towed array
  • SINS Mk2 ship's inertial navigation system
Armament:
  • 16 * Polaris A2/A3 or Poseidon C3 missiles
  • 4 * 21 inch (533 mm) Mark 65 torpedo tubes with Mark 113 firecontrol system (12 * Mark 48 torpedoes)

USS John Adams (SSBN-620), a Lafayette-class ballistic missile submarine, was the second ship of the United States Navy to be named for John Adams (1735-1826), the second President of the United States (1797-1801), and his son John Quincy Adams (1767-1848), the sixth President of the United States (1825-1829). Both names were used with the captains of the Blue and Gold crews alternately using the names John Adams and John Quincy Adams.

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