Starting with Virginia Class Block III, two key design changes were made: Like the last of the preceding Los Angeles-class attack submarines, the first two blocks of Virginia Class have a vertical launch system (VLS) in the bow for 12 Tomahawk missiles. Each successive Virginia Class SSN Block incorporates additional capabilities and advanced technology while reducing costs. The Virginia Class submarine design has continued to evolve since USS Virginia (SSN 774) was first commissioned in 2004. Virginia Class Design Evolution Virginia Class Submarine Design Evolution by Block Together, the shipbuilders, industry suppliers and the Navy consistently deliver Virginia Class submarines under budget and ahead of schedule. 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. 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. In Virginia Class SSNs, traditional periscopes have been supplanted by two Photonics Masts that house color, high-resolution black and white, and infrared digital cameras atop telescoping arms. The class also has large lock-in / lock-out chamber for divers. The torpedo room can be reconfigured to house a large number of special operation forces and all their equipment for prolonged deployments and future off-board payloads. The class has special features to support special operation forces. Virginia Class SSNs have a fly-by-wire ship control system that provides improved shallow-water ship handling. The Virginia Class has several innovations that significantly enhance its warfighting capabilities with an emphasis on littoral operations. Specifically designed for the post-Cold War threat environment, the Virginia Class is tailored to excel in a wide range of warfighting missions. It helps ensure our future national security by providing theater commanders with an affordable and flexible multi-mission stealth platform that replaces the aging fleet of Los Angeles Class attack submarines. The Virginia Class is the latest class of advanced capability nuclear powered fast attack submarines (SSN). Virginia Payload Module with 4 additional large diameter payload tubes for an additional 28 Tomahawk missiles (or 40 in total) beginning with Virginia Class Block V.2 large diameter payload tubes (in lieu of VLS) for 12 Tomahawk missiles beginning with SSN 784.
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VLS for 12 Tomahawk missiles on SSN 774 through SSN 783.Tomahawk missiles and MK48 torpedoes, four torpedo tubes on all SSNs. General Dynamics Electric Boat and Huntington Ingalls Industries – Newport News Shipbuilding.
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