Virginia Payload Module

Virginia Payload Module. It is a specialized missile launch system designed to significantly increase the strike capacity of the United States Navy's Virginia-class submarine fleet. Developed as a response to the retirement of the Ohio-class submarine's guided missile variant, the module integrates additional launch tubes into the submarine's hull. This enhancement ensures the Navy maintains a robust and flexible sea-based strategic deterrence and conventional strike capability well into the 21st century.

Development and design

The concept originated from strategic assessments following the 2006 Quadrennial Defense Review, which identified a coming shortfall in undersea strike capacity. The SSGN conversion of four Ohio-class submarines provided immense firepower but was a temporary solution with a finite service life. To address this, the United States Department of Defense and United States Congress authorized development. Primary design and engineering work was led by General Dynamics Electric Boat in partnership with Newport News Shipbuilding. The design centers on a hull plug inserted amidships, containing four large-diameter vertical launch tubes, each capable of launching multiple Tomahawk cruise missiles. This innovative plug-in approach was selected to minimize disruption to the existing Virginia-class submarine construction pipeline at Groton, Connecticut and Newport News, Virginia.

Technical specifications

The module itself is a approximately 84-foot-long hull section inserted between the submarine's control room and engine room. It houses four Virginia Payload Tubes, which are about 7 feet in diameter. Each of these large tubes can accommodate a stack of seven Tomahawk cruise missiles using the Multiple All-Up-Round Canister, effectively adding 28 additional missiles to the boat's arsenal. This complements the standard twelve vertical launch system tubes in the bow. The integration required significant modifications to the submarine's propulsion plant, ballast tank systems, and internal berthing arrangements. The design maintains the class's signature quieting and acoustic signature reduction technologies, critical for missions in contested areas like the South China Sea or the Strait of Hormuz.

Deployment and integration

Integration is planned for newly constructed Block V submarines, with the first module scheduled for installation on the future USS Oklahoma (SSN-802). The program is managed by the Program Executive Office, Submarines under the Naval Sea Systems Command. The construction process involves building the module at General Dynamics Electric Boat's facility in Quonset Point, Rhode Island before it is transported and integrated with hull sections built at Groton, Connecticut and Newport News Shipbuilding. This deployment strategy ensures a seamless transition from the earlier Block IV submarines, maintaining production stability for the United States Navy's primary attack submarine line while delivering enhanced capability.

Operational history

As of the current date, the module is in the advanced stages of production and testing but has not yet been deployed on an operational submarine. The lead boat of the Block V variant, which will be the first to incorporate the system, is under construction. Its introduction is eagerly anticipated by fleet commanders at United States Fleet Forces Command and United States Pacific Fleet, as it will directly address the capability gap left by the eventual retirement of the SSGNs. Operational testing will be conducted by units such as Submarine Development Squadron 12 following commissioning.

Variants and upgrades

The primary design is for the Block V boats, but the technology is foundational for future undersea platforms. It directly informs the design of the larger Vertical launching system payload modules planned for the next-generation SSN(X) program. Furthermore, the tubes are designed with flexibility in mind, potentially allowing for future deployment of hypersonic weapons, unmanned underwater vehicles, or other payloads as required by the United States Department of Defense's Conventional Prompt Strike program. This adaptability ensures the United States Navy's submarine force can respond to emerging threats from peer competitors like the People's Liberation Army Navy or the Russian Navy.

Category:Submarine-launched missiles Category:United States Navy submarine classes Category:Naval weapons of the United States