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USS Columbia (SSBN-826)


Nuclear-Powered Ballistic Missile Submarine


United States | 2031



"Some twelve boats are set to make up the Columbia-class - successor to the Cold War-era Ohio-class fleet of the United States Navy."



Authored By: Staff Writer | Last Edited: 07/17/2018 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.
The Columbia-class submarine is a planned ballistic missile attack submarine for the United States Navy (USN) intended to succeed the Ohio-class boats. Ohio-class submarines are a product of the latter Cold War years, built from 1976 to 1997, and number eighteen completed boats (2018). The Columbia-class will itself number twelve boats and be used in the same undersea role (SSBN).

The successor program was earlier known as the "Ohio Replacement Submarine" and the "SSBN-X Future Follow-On Submarine".

As it stands the boat will have a largely traditional design arrangement with a tubular shape involving a rounded nose cone and a tapering stern section. The sail is positioned just aft of the bow and well-ahead of midships. A squared-off dorsal section of hull will house the ballistic missile packs, of common design to be shared with the British Royal Navy's Dreadnought group and developed General Dynamics Electric Boat Corporation. The armament suite will center solely on between twelve and sixteen ballistic missile tubes as opposed to the twenty-four currently featured on Ohio-class submarines. Dive planes will be set at the sail itself. The propulsion scheme will involve a nuclear reactor as well as an electric-drive unit, the latter feature promising reduced operating noises (acoustic signature). At the stern will be an X-shaped tailplane arrangement for improved maneuverability.

Planned dimensions include an overall length of 560 feet and a beam of 43 feet. Due to the boat's nuclear propulsion scheme, range will be essentially unlimited.

The initial operating boat of the class will be christened USS Columbia (SSBN-826). It is planned that the series will begin construction sometime in 2021 and the first boat will enter service in the following decade, possible in 2031. The primary contractors are Electric Boat and Newport News Shipbuilding.

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Power & Performance
Those special qualities that separate one sea-going vessel design from another. Performance specifications presented assume optimal operating conditions for USS Columbia (SSBN-826).
1 x Nuclear reactor with turbo-electric drive and pump-jet propulsion scheme.
Propulsion
13.0 kts
15.0 mph
Surface Speed
27.0 kts
31.1 mph
Submerged Speed
Essentially Unlimited
Range
Structure
The bow-to-stern, port-to-starboard physical qualities of USS Columbia (SSBN-826).
155
Personnel
Complement
560.0 ft
170.69 meters
O/A Length
43.0 ft
13.11 meters
Beam
38.0 ft
11.58 meters
Draught
16,800
tons
Displacement
18,750
tons
Displacement (Submerged)
Armament
Available supported armament and special-mission equipment featured in the design of USS Columbia (SSBN-826).
12 to 16 x Trident D5 ballistic missiles.
Ships-in-Class (12)
Notable series variants as part of the USS Columbia (SSBN-826) family line as relating to the Columbia-class group.
USS Columbia (SSBN-826); Unnamed Boat #2; Unnamed Boat #3; Unnamed Boat #4; Unnamed Boat #5; Unnamed Boat #6; Unnamed Boat #7; Unnamed Boat #8; Unnamed Boat #9; Unnamed Boat #10; Unnamed Boat #11; Unnamed Boat #12;
Operators
Global operator(s) of the USS Columbia (SSBN-826). Nations are displayed by flag, each linked to their respective national naval warfare listing.
National flag of the United States

[ United States (planned) ]
1 / 1
Image of the USS Columbia (SSBN-826)
Image from the United States Navy.

Mission Roles
Some designs are single-minded in their approach while others offer a more versatile solution to seaborne requirements.
BLUE WATER SERVICE
SUBMERGED ATTACK
MARITIME PATROL
FLEET SUPPORT
Recognition
Some designs stand the test of time while others are doomed to never advance beyond the drawing board; let history be their judge.
Going Further...
USS Columbia (SSBN-826) Nuclear-Powered Ballistic Missile Submarine appears in the following collections:
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