With manual TMA you can also use the periscope to get an better idea of the target angle.
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With 72 submarines in service, the United States fields the largest underwater fighting force in the world. Stealthy and absolutely deadly against surface vessels, submarines are tasked with deterring foreign aggression, nuclear deterrence, intelligence gathering, and even providing fire support for land forces with land-attack missiles. But for most of a submarine’s lifespan it will glide through the oceans of the world completely undetected and as they say: out of sight, out of mind. Hello and welcome to another episode of The Infographics Show- today we’re taking a look at what life is like aboard a submarine.
Not every man can be a submariner, and though it is a 100% all-volunteer force, the US Navy’s submarine fleet has very stringent entry requirements. Individuals must be male, pass a series of academic tests, psychological evaluations, and intensive courses on the fundamentals of submarine operations. With deployments that can last for hundreds of days at a time and disaster being only one mistake away, the Navy must be confident that it is entrusting some of the most expensive weapons in its arsenal, and the hundred-plus lives within them, to only the most psychologically stable and academically qualified individuals.
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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.
Type: Nuclear attack submarine
Operators: United States #Navy
Preceded by: Seawolf class
Cost: $2.688 billion per unit (FY2016)
In commission: 2004–present
General Dynamics Electric Boat
Newport News Shipbuilding
Length: 114.91 m
Beam: 10.36 m
Displacement: 7,900 t
40 weapons, special operations forces, unmanned undersea vehicles, Advanced SEAL Delivery System (ASDS)
The S9G nuclear reactor delivering 40,000 shaft horse power. Nuclear core life estimated at 33 years.
greater than 240 m, allegedly around 490 m.
Complement: 135 (15:120)
Greater than 46 km/h allegedly up to 65 km/h
Only limited by food and maintenance requirements.
about US$1.65 billion each (based on FY95 dollars, 30-boat class and two boat/year build-rate)
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
12 × VLS (Tomahawk BGM-109) tubes
4 × 533 mm torpedo tubes (Mk-48 torpedo)
37 × torpedoes & missiles (torpedo room)
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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World Most Feared Super Submarine in U.S, Navy – The Virginia Class attack submarine is the U.S. Navy’s newest undersea warfare platform and incorporates the latest in stealth, intelligence gathering and weapons systems technology. Attack submarines are designed to seek and destroy enemy submarines and surface ships; project power ashore with Tomahawk cruise missiles and Special Operation Forces; carry out Intelligence, Surveillance, and Reconnaissance (ISR) missions; support battle group operations; and engage in mine warfare.
The Virginia class wa not the first new design to come into service after the Cold War. The Seawolf class was originally intended to succeed the Los Angeles class, but production was canceled after only three submarines were produced. This restriction occurred due to budgeting restraints at the end of the Cold War, and the final submarine was manufactured in 1995. At a cost of $3 billion per unit, the Seawolf class was the most expensive SSN submarine. The Virginia class was put into production in full swing due to being smaller and carrying more manageable costs than the Seawolf.
The Navy is now building the next-generation attack submarine, the Virginia (SSN 774) class. The Virginia class has several innovations that significantly enhance its warfighting capabilities with an emphasis on littoral operations. Virginia class SSNs have a fly-by-wire ship control system that provides improved shallow-water ship handling. The class has special features to support special operation forces including a reconfigurable torpedo room which can accommodate a large number of special operation forces and all their equipment for prolonged deployments and future off-board payloads.
The class also has a large lock-in/lock-out chamber for divers. In Virginia-class SSNs, traditional periscopes have been supplanted by two photonics masts that host visible and infrared digital cameras atop telescoping arms. With the removal of the barrel periscopes, the ship’s control room has been moved down one deck and away from the hull’s curvature, affording it more room and an improved layout that provides the commanding officer with enhanced situational awareness. Additionally, through the extensive use of modular construction, open architecture, and commercial off-the-shelf components, the Virginia class is designed to remain state of the practice for its entire operational life through the rapid introduction of new systems and payloads.
As part of the Virginia-class’ third, or Block III, contract, the Navy redesigned approximately 20 percent of the ship to reduce their acquisition costs. Most of the changes are found in the bow where the traditional, air-backed sonar sphere has been replaced with a water-backed Large Aperture Bow (LAB) array which reduces acquisition and life-cycle costs while providing enhanced passive detection capabilities. The new bow also replaces the 12 individual Vertical Launch System (VLS) tubes with two 87-inch Virginia Payload Tubes (VPTs), each capable of launching six Tomahawk cruise missiles. The VPTs simplify construction, reduce acquisition costs, and provide for more payload flexibility than the smaller VLS tubes due to their added volume.
United States Navy (USN).
Virginia-class Nuclear-powered fast attack Submarine: USS TEXAS (SSN 775),
Namesake: State of Texas,
Commissioned: 2006, Builder: Newport News Shipbuilding,
For enemies of the United States, the U.S. Navy is a frightening adversary; but perhaps the most frightening thing about it is the fact that at any given moment, the Navy’s submarine force is patrolling the deep, carrying deadly weapons and skilled crews anywhere they are needed. The submarine force can operate in any environment, from the icy seas of the Arctic to the deep oceans of the world. It can accomplish a variety of missions as well, including long-range missile attacks, special forces delivery, anti-ship and submarine warfare, and many top secret missions. (U.S. Navy video edited by Austin Rooney)