Ballistic Missile Submarines (SSBNs) General Characteristics

Displacement:
* 16,764 tonnes (16,499 long tons) surfaced
* 18,750 tonnes (18,450 long tons) submerged

Length:
* 560 ft. (170m)

Beam:
* 42 ft. (13m)

Draft :
* 35.5 ft. (10.8m) maximum

Propulsion:
* 1 - S8G PWR nuclear reactor
* 2 - geared turbines; 35,000 shp (26 MW)
* 1 - Fairbanks Morse auxillary diesel
* 1 - 325 hp (242 kW) auxillary motor
* 1 - shaft with seven-bladed screw

Speed:
* 12 knots (22 km/h; 14 mph) surfaced
* 20 knots (37 km/h; 23 mph) submerged (official)
* 25 knots (46 km/h; 29 mph) submerged (reported)

Range:
* Nuclear powered; limited only by food supplies

Test Depth:
* 800 ft. (240m)

Complement:
* 15 officers
* 140 enlisted