SUBMARINE
COLUMBIA-CLASS SSBN
SSBN-826
Nuclear Ballistic Missile Submarine
πΊπΈ
United States
North America
COUNTRY OF ORIGIN: USA
β All EquipmentOVERVIEW
MANUFACTURERGeneral Dynamics Electric Boat
YEAR INTRODUCED2028
UNITS IN SERVICEβ
UNITS PRODUCED1
UNIT COSTUSD 9.8B
DESCRIPTION
The US Navy's next-generation SSBN. Most expensive weapon system ever built. Features life-of-ship reactor and electric drive for extreme quieting. 12 boats planned.
SPECIFICATIONS
SPECIFICATIONS
Displacement
20,815 tonnes submerged
Length
170.7 m
Beam
13.1 m
Crew
155
Max Speed
25+ knots submerged
Reactor
1x S1B PWR reactor (life-of-ship, no refueling)
Weapons
16x Trident II D5LE SLBM tubes
Life Of Ship
42 years without reactor refueling
Electric
Full electric drive (no mechanical reduction gears)
COMBAT RECORD
COMBAT RECORD
Under construction. Will replace Ohio-class SSBNs starting late 2020s.
GLOBAL DEPLOYMENT
OPERATORS
Operator data coming soon