ABOUT THE BANCROFT

 

FACTS,  FIGURES  AND  EVENTS  FOR  THE  SSBN  643  DURING

HER  27  YEARS  IN  SERVICE

 

General Characteristics

Length: 425 Feet

Beam: 33 Feet

Draft: 32 Feet

Propulsion: S5W Reactor

Speed: Surfaced 16 Knots, Submerged 21 Knots

Displacement: Surfaced,  7325 Tons   Submerged,  8251 Tons

Armament:  16 Missile Tubes,  Four 21" Torpedo Tubes Forward

Builder: Electric Boat Division of General Dynamics, Groton, CT

Compliment:  Two Crews (Blue & Gold) of 14 Officers & 126 Enlisted Men on each Crew

 

Significant  Events

Ordered: November 1, 1962

Keel Laid: August 24, 1963

Launched: March 20, 1965

Commissioned: January 22, 1966

Decommissioned: September 21, 1993

Completed Submarine Recycling Program: March 30, 1998

Sail Dedication, Kings Bay, GA: April 7, 2000

Meritorious Unit Commendation: 1971 & 1984

Battle Efficiency Award (Battle E): 1980, 1984, 1985, 1991

Atlantic Fleet Ballistic Missile Submarine Of The Year: 1984

Seventy (70) Polaris, Poseidon, & Trident C-4 Deterrent Patrols: 1966-1993

 

Operational Statistics

Conducted Nineteen Polaris Patrols: 4/27/1966 - 4/25/1971

Overhauled & Converted to Poseidon: 4/25/1971 - 8/01/1972

Conducted Twenty Seven Poseidon Patrols: 8/01/1972 - 6/01/1980

Overhauled & Converted to Trident C-4 Missile: 6/01/1980 - 3/05/1982

Conducted Twenty Four Trident C-4 Patrols: 7/20/1982 - 3/01/1993

Overhauled & Refueled: 6/02/1986 - 12/28/1988

Dive/Surface # 643: December 11 & 12 of 1988

Last Surfacing: Emergency Blow From Test Depth on 3/01/1993