The new "monster" submarine of the United States Navy weighs nearly 8,000 tons, is 115 meters long, does not require fuel, and can operate for long periods submerged; meet the USS Massachusetts (SSN-798), which arrives to strengthen the military power of the U.S. amid global tensions.

The new “monster” submarine of the United States Navy weighs nearly 8,000 tons, is 115 meters long, does not require fuel, and can operate for long periods submerged; meet the USS Massachusetts (SSN-798), which arrives to strengthen the military power of the U.S. amid global tensions.

Written by Ruth Rodrigues

Published on 31/03/2026 at 18:07

Updated on 02/05/2026 at 20:37

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United States Navy commissions the nuclear submarine USS Massachusetts (SSN-798), highlighting technology, size, and strategic power.

The United States Navy officially put into operation the nuclear submarine USS Massachusetts (SSN-798) on March 28, 2026, during a ceremony in Boston.

The new vessel arrives to strengthen the military capacity of the country in high-intensity missions in the oceans.

The incorporation occurs at a time of increasing geopolitical tension, requiring greater strategic presence at sea. Furthermore, the submarine enhances the surveillance, attack, and intelligence-gathering capabilities of the American fleet.

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Nuclear submarine USS Massachusetts (SSN-798) combines size, strength, and technology

The USS Massachusetts (SSN-798) impresses with its technical and operational characteristics. The nuclear submarine is about 115 meters long, 10.4 meters wide, and displaces approximately 7,800 tons.

These dimensions ensure space for advanced combat systems and long mission endurance. Additionally, its structure is designed to withstand complex operations in hostile environments.

Another differentiator is the nuclear reactor, which does not require refueling throughout its entire lifespan. Thus, the submarine can remain submerged for long periods, increasing its strategic efficiency.

Technology strengthens the United States Navy

Designed to operate discreetly, the USS Massachusetts (SSN-798) features advanced sensor systems. These devices allow for the detection of threats and the collection of information with high precision.

Moreover, the nuclear submarine is equipped with cruise missiles and heavy torpedoes. This enables attacks on both maritime and land targets.

In this way, the United States Navy expands its response capability in different combat scenarios.

USS Massachusetts (SSN-798) assumes a strategic role in global scenarios

Virginia-class submarines, such as the USS Massachusetts (SSN-798), are considered key assets in modern naval strategy. They offer flexibility for missions ranging from surveillance to special operations.

Additionally, their ability to operate undetected is essential in contested regions. This provides a tactical advantage in conflict situations.

Therefore, the new nuclear submarine reinforces the United States’ presence in strategic areas around the world.

Merely illustrative image of the nuclear submarine

Ceremony highlights tradition and preparation of the crew

The commissioning ceremony of the USS Massachusetts (SSN-798) brought together officials and marked the official start of operations. During the event, the crew symbolically boarded after the traditional activation order.

The moment represents years of work and dedication from those involved in the project. Furthermore, it reinforces the team’s commitment to national security.

Officials highlighted that the submarine is already prepared to undertake critical missions.

United States Navy bets on nuclear submarine to maintain leadership

The entry into operation of the nuclear submarine demonstrates the United States Navy’s commitment to modernizing its fleet. In a competitive global scenario, investing in advanced technology is essential.

Additionally, the USS Massachusetts (SSN-798) is part of a continuous naval renewal program. This ensures greater efficiency and operational readiness.

Thus, the new submarine consolidates the United States’ ability to operate strategically and continuously at sea.

Source: U.S. Navy

The new “monster” submarine of the United States Navy weighs nearly 8,000 tons, is 115 meters long, does not require fuel, and can operate for long periods submerged; meet the USS Massachusetts (SSN-798), which arrives to strengthen the military power of the U.S. amid global tensions.

United States Navy commissions the nuclear submarine USS Massachusetts (SSN-798), highlighting technology, size, and strategic power.

Nuclear submarine USS Massachusetts (SSN-798) combines size, strength, and technology

Technology strengthens the United States Navy

USS Massachusetts (SSN-798) assumes a strategic role in global scenarios

Ceremony highlights tradition and preparation of the crew

United States Navy bets on nuclear submarine to maintain leadership

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The new “monster” submarine of the United States Navy weighs nearly 8,000 tons, is 115 meters long, does not require fuel, and can operate for long periods submerged; meet the USS Massachusetts (SSN-798), which arrives to strengthen the military power of the U.S. amid global tensions.

United States Navy commissions the nuclear submarine USS Massachusetts (SSN-798), highlighting technology, size, and strategic power.

Nuclear submarine USS Massachusetts (SSN-798) combines size, strength, and technology

Technology strengthens the United States Navy

USS Massachusetts (SSN-798) assumes a strategic role in global scenarios

Ceremony highlights tradition and preparation of the crew

United States Navy bets on nuclear submarine to maintain leadership

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