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Naval Warfare

USS Indiana (SSN-789)


Nuclear-Powered Fast Attack Submarine [ 2018 ]



USS Indiana SSN-789 is a relatively new commissioned vessel of the United States Navy - having entered service as recently as September 2018.



Authored By: Staff Writer | Last Edited: 10/12/2020 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site.

VIEW SPECIFICATIONS [+]
The Virginia-class nuclear-powered attack submarines were established at the turn of the century and currently (2018) number some 16 boats of the originally planned sixty-six. The clas was developed as a cost-effective alternative to the highly-advanced, though hugely expensive, "Seawolf" model - just three of these were completed of the planned twenty-nine vessels. One of the newest of the Virginia-class boats is USS Indiana (SSN-789) - and all-modern attack platform to become a critical fixture of United States Navy (USN) plans going forward.

USS Indiana's built contract was awarded to Newport News Shipbuilding (Huntington Ingalls Industries/Electric Boat, General Dynamics) on December 22nd, 2008 and her keel was laid down sometime later on May 16th, 2015. She was launched on June 9th, 2017 and officially commissioned into USN service on September 29th, 2018. She homeports out of Groton, Connecticut giving her quick access to Atlantic waters. Her design includes the Block III changes that incorporated the bow and Vertical Launch System (VLS) used in the Ohio-class submarines.

As completed, the submarine displaces 7,800 tons and has a length of 377 feet with a beam of 34 feet. It is powered by a General Electric S9G series water-cooled nuclear reactor giving it unprecedented performance underwater and essentially unlimited operational ranges. Undersea going speeds can reach 25 knots. The streamlined hull is tested to depths of 800 feet (240 meters). Aboard is a crew of 134 officers and sailors.

Armament is 4 x 533mm bow-facing torpedo tubes supporting the Mk 48 series torpedo family. Up to 37 reloads can be carried. Perhaps more important is Indiana's support of the "Tomahawk" BGM-109 land-attack cruise missile of which twelve can be launched from the installed VLS giving the submarine a ferocious surface-to-surface attack quality. Beyond this the submarine relies on its acoustic- and radar-reducing design as well as onboard decoy and electronics to survive in the deep blue sea.

Her overall hull appearance is consisted with the class: rounded nose cap, hull-mounted diving planes, forward-set sail, raised dorsal section (aft of sail) for the VLS fit, and tapered end. At the stern are the control planes and a shrouded, multi-bladed propeller unit. The nuclear powerpack drives power to this single shaft.

USS Indiana (SSN-789) remains in active service as of this writing (2018).©MilitaryFactory.com
Note: The above text is EXCLUSIVE to the site www.MilitaryFactory.com. It is the product of many hours of research and work made possible with the help of contributors, veterans, insiders, and topic specialists. If you happen upon this text anywhere else on the internet or in print, please let us know at MilitaryFactory AT gmail DOT com so that we may take appropriate action against the offender / offending site and continue to protect this original work.

Specifications



Service Year
2018

Origin
United States national flag graphic
United States

Status
COMMISSIONED
In Active Service.
Complement
134
PERSONNEL


Class
Virginia-class
Number-in-Class
18
VESSELS
Ships-in-Class


USS Virginia (SSN-774); USS Texas (SSN-775); USS Hawaii (SSN-776); USS North Carolina (SSN-777); USS New Hampshire (SSN-778); USS New Mexico (SSN-779); USS Missouri (SSN-780); USS California (SSN-781); USS Mississippi (SSN-782); USS Minnesota (SSN-783); USS North Dakota (SSN-784); USS John Warner (SSN-785); USS Illinois (SSN-786); USS Washington (SSN-787); USS Colorado (SSN-788); USS Indiana (SSN-789); USS South Dakota (SSN-790); USS Delaware (SSN-791)


National flag of the United States United States
(OPERATORS list includes past, present, and future operators when applicable)
Submerged Attack
Traveling under the surface to search, track, and / or engage or reconnoiter areas.
Offshore Operation
Activities conducted near shorelines in support of allied activities.
Maritime Patrol
Active patroling of vital waterways and maritime areas; can also serve as local deterrence against airborne and seaborne threats.
Fleet Support
Serving in support (either firepower or material) of the main surface fleet in Blue Water environments.


Length
377.0 ft
114.91 m
Beam
34.0 ft
10.36 m
Draught
32.0 ft
9.75 m
Displacement
7,800
tons


Installed Power: 1 x General Electric S9G nuclear reactor unit driving 1 x Shaft astern.
Surface Speed
25.0 kts
(28.8 mph)
Submerged Speed
35.0 kts
(40.3 mph)
Range
Essentially Unlimited


kts = knots | mph = miles-per-hour | nm = nautical miles | mi = miles | km = kilometers

1 kts = 1.15 mph | 1 nm = 1.15 mi | 1 nm = 1.85 km
12 x VLS (Vertical Launch System) launch tubes for BGM-109 Tomahawk cruise missiles.
4 x 21" (530mm) torpedo tubes (Mk-48 torpedoes)
Naval Mines as needed.


Supported Types


Graphical image of an aircraft aerial torpedo
Graphical image of an air launched cruise missile weapon
Graphical image of a naval mine


(Not all weapon types may be represented in the showcase above)
None.


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Images Gallery



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Image of the USS Indiana (SSN-789)
Image from the United States Department of Defense DVIDS image database.

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