Here Comes the US Navy's New Stealth Submarine



The USS Montana will be a Virginia-class submarine of the United States Navy. She will honor the U.S. State of Montana. Secretary of the Navy Ray Mabus announced its name on 3 September 2015 at a ceremony hosted in Billings, Montana with U.S. Senator Jon Tester (D-MT). She will be only the second commissioned warship bearing the name “Montana”.

A contract modification for USS Oregon (SSN-793), Montana (SSN-794), and USS Hyman G. Rickover (SSN-795) was initially awarded to General Dynamics Electric Boat for $594.7 million in April 2012. On 23 December 2014, they were awarded an additional $121.8 million contract modification to buy long lead-time material for the three Virginia-class submarines. The U.S. Navy awarded General Dynamics Electric Boat the contract to construct 10 Block IV Virginia-class submarines for $17.6 billion on 28 April 2014. The tenth boat is scheduled for delivery in 2023.

Here Comes the USS Montana: The US Navy’s Latest Stealth Submarine

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The US Builds A New Submarine The World Is Afraid Of



The US Builds A New Submarine The World Is Afraid Of
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When you think of the most impressive assets in the U.S. Military arsenal; stealth bombers, destroyers, and tanks are probably what first come to mind. But now we might just radically shift your perspective. New attack submarines are being built for the U.S. Military, in particular, the Virginia-Class Block V Submarines which are not only powerful, but have nuclear attack capabilities…

#us #navy #submarine #aircraft #carrier

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Why the U.S Built Only 3 of the Deadliest Submarines Ever, Like The F-22 of Submarines



The ‘F-22’ of Submarines: Why America Built Only 3 of the Deadliest Submarines Ever

In the late 1980s, the U.S. Navy was faced with a crisis. In 1980, the Soviet Union had received information from the Walker family spy ring that the Navy could track its submarines through excessive propeller noise. As a result, the Soviet Union went looking for advanced Western machinery to make better propellers. In 1981, the Japanese company Toshiba sold propeller milling machinery—now relatively common nine-axis CNC milling machines—to the Soviet Union via the Norwegian Kongsberg corporation.

By the mid 1980s, the Soviet Union’s new machinery began to make itself felt. The new Akula-class submarines had a “ steep drop in broadband acoustic noise profiles ”. One government source told the Los Angeles Times , “the submarines started to get silent only after the Toshiba stuff went in.” On top of running silent, the Akula class could dive to depths of up to two thousand feet—while the U.S. Navy’s frontline submarines, the Los Angeles class, could dive to only 650 feet.

To combat the threat of the Akula class, the U.S. Navy responded with the Seawolf class of nuclear attack submarines. The Seawolf submarines were designed with HY-100 steel alloy hulls two inches thick , the better to withstand the pressures of deep diving. HY-100 steel is roughly 20 percent stronger than the HY-80 used in the Los Angeles class. As a result, the submarines are capable of diving to depths of up to two thousand feet, and crush depth estimates run from 2,400 to 3,000 feet.

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Nuclear-Powered Fast Attack Submarine Virginia-Class ⚔️ US Navy [Review]



The Virginia class, also known as the SSN-774 class, is a class of nuclear-powered fast attack submarines in service with the United States Navy.
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Virginia-class #Submarines are designed for a broad spectrum of open-ocean and littoral missions. They were conceived as a less expensive alternative to the Seawolf-class attack submarines, designed during the Cold War era. They are replacing older Los Angeles-class submarines, many of which have already been decommissioned. Virginia-class submarines will be acquired through 2043, and are expected to remain in service past 2060. Based on recent updates to the designs, some of the Virginia-class submarines are expected to still be in service in 2070.

SPECIFICATIONS

Name: Virginia
Type: Nuclear attack submarine
Operators: United States #Navy
Preceded by: Seawolf class
Cost: $2.688 billion per unit (FY2016)
Built: 2000–present
In commission: 2004–present
Building: 5
Planned: 48
Completed: 16
Active: 14

Builders:
General Dynamics Electric Boat
Newport News Shipbuilding

Length: 114.91 m
Beam: 10.36 m
Displacement: 7,900 t

Payload:
40 weapons, special operations forces, unmanned undersea vehicles, Advanced SEAL Delivery System (ASDS)

Propulsion:
The S9G nuclear reactor delivering 40,000 shaft horse power. Nuclear core life estimated at 33 years.

Test depth:
greater than 240 m, allegedly around 490 m.

Complement: 135 (15:120)

Speed:
Greater than 46 km/h allegedly up to 65 km/h

Range: unlimited

Endurance:
Only limited by food and maintenance requirements.

Planned cost:
about US$1.65 billion each (based on FY95 dollars, 30-boat class and two boat/year build-rate)

Actual cost:
US$1.5 billion (in 1994 prices), US$2.6 billion (in 2012 prices)

Annual operating cost: $50 million per unit
Crew: 120 enlisted and 14 officers

Armament:
Block I-IV:
12 × VLS (Tomahawk BGM-109) tubes
4 × 533 mm torpedo tubes (Mk-48 torpedo)
37 × torpedoes & missiles (torpedo room)

Block V:
VPM module (28 Tomahawk BGM-109)
12 × VLS (Tomahawk BGM-109) tubes
4 × 533 mm torpedo tubes (Mk-48 torpedo)
65 × torpedoes & missiles

Decoys: Acoustic Device Countermeasure Mk 3/4
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Music Info:
“Arctic Expedition – Martin Baekkevold” belongs to and was used under license for the company Scalelab

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A Rare Look Inside US Navy Nuclear Submarine USS Texas



USS Texas (SSN-775) is a Virginia-class nuclear-powered fast-attack submarine, and the fourth warship of the United States Navy to be named after the state of Texas.

The video includes footages of Sailors onboard the submarine perform routine maintenance and daily operations in the auxiliary spaces and the conning tower, prepare the submarine to dive while underway, and fire drill during a routine training exercise in the Pacific Ocean.

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