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Naval Submarine Base New London in Groton, CT

Naval Submarine Base New London: A Closer Look at the Heart of Naval Undersea Warfare

In the picturesque town of Groton, Connecticut, lies the impressive Naval Submarine Base New London. This military base, often referred to as SUBASE New London, is the primary homeport for the United States Navy’s Atlantic fleet of nuclear-powered submarines.

With a rich history dating back over a century, the base continues to play a vital role in ensuring the nation’s maritime security. In this article, we will explore the information and history surrounding Naval Submarine Base New London, shedding light on its impressive infrastructure, strategic significance, and contributions to naval warfare.

Topic 1: Information


Situated on the eastern bank of the Thames River, Naval Submarine Base New London enjoys a prime location in Groton, Connecticut. This strategic positioning grants easy access to the Atlantic Ocean while offering an ideal sheltered harbor where submarines can safely berth.


Spanning over 680 acres, Naval Submarine Base New London is home to state-of-the-art facilities necessary for the maintenance, training, and support of submarines. The base features a vast shipyard, equipped with dry docks and berthing areas, enabling necessary repairs, maintenance, and overhauls.

Additionally, the base boasts excellent training facilities, including a submarine firefighting school, an immersive virtual reality training center, and simulation rooms for combat readiness preparation.

Training Schools:

Naval Submarine Base New London is renowned for its exceptional training programs.

The base hosts several prestigious schools, including the Submarine Officer Basic Course, where newly commissioned officers receive comprehensive training in submarine warfare. Also, the Submarine Learning Facility provides advanced training with technologically advanced simulators that replicate real-world conditions, ensuring submariners are well-prepared for any mission.

Research and Development:

In addition to training and maintenance operations, Naval Submarine Base New London is at the forefront of research and development within the naval community. The Submarine Research Facility constantly innovates to enhance submarine technologies, improving stealth capabilities and weapon systems.

This focus on research ensures that submarines stationed at the base remain at the cutting edge of undersea warfare.

Topic 2: History

Early Beginnings:

The roots of Naval Submarine Base New London can be traced back to 1868 when it was established as Naval Station New London.

Initially, the station provided support for naval vessels operating in the area. However, it wasn’t until the early 20th century that the base began its transformation into a submarine base.

World War II:

During World War II, the base played a pivotal role in training submariners and contributing to the war effort. In 1951, its name changed to Naval Submarine Base New London, reflecting its primary focus on submarines.

Over the following decades, the base expanded its facilities and capabilities, allowing for ever more advanced training and support for the submariners who defended the nation’s interests.

Cold War Era:

The Cold War era saw Naval Submarine Base New London assuming an even greater importance.

It served as a homeport for several classes of submarines, including the highly sophisticated nuclear-powered vessels armed with ballistic missiles (SSBNs). This period witnessed a continued enhancement of the base’s infrastructure, with improved piers and expanded facilities necessary to house and support these formidable submarines.

Contemporary Significance:

Today, Naval Submarine Base New London remains critical to ensuring the readiness of the United States Navy’s submarine force. It is home to first-class submarines, such as the Virginia-class attack submarines, which play a crucial role in maintaining maritime security.

With ongoing advancements in submarine technology, the base’s research and development activities ensure that the U.S. Navy’s submarines remain at the forefront of undersea warfare.

In Closing:

Naval Submarine Base New London stands as a testament to the United States Navy’s commitment to maintaining technological superiority at sea.

From its strategic location to its cutting-edge facilities, this base continues to serve as a hub for training, research, and support of submarines. As we move forward into an era of ever-evolving security challenges, the base’s enduring presence ensures the nation’s security beneath the waves.

Topic 3: Mission

The mission of Naval Submarine Base New London encompasses a wide range of critical objectives, all of which contribute to the United States Navy’s undersea dominance and national security. From providing support to submarines to training the next generation of submariners, the base’s mission is multifaceted and of utmost importance.

Supporting the Fleet:

One of the primary missions of Naval Submarine Base New London is to provide support to the submarines stationed there. This encompasses everything from maintenance and repair to logistical support.

The base’s well-equipped shipyard plays a crucial role in ensuring that submarines remain in peak operational condition. Skilled technicians and engineers work tirelessly to conduct repairs and perform routine maintenance on the submarines, ensuring their readiness for deployment.

The base also provides essential services such as provisions, fuel, and spare parts to support the day-to-day operations of the submarines and their crews.

Training the Submarine Force:

Naval Submarine Base New London is a hub of submarine training excellence.

Its world-class training schools offer comprehensive programs to prepare submariners for the challenges they will face under the sea. The Submarine Officer Basic Course (SOBC) is a rigorous program that prepares newly commissioned officers for their roles as submarine officers.

In addition to SOBC, the Submarine Learning Facility provides advanced training to submariners, including simulated combat scenarios and emergency procedures. These training programs ensure that submariners are equipped with the skills and knowledge necessary to operate submarines effectively and safely.

Advanced Research and Development:

At the Submarine Research Facility, located within Naval Submarine Base New London, cutting-edge research and development activities are undertaken. This facility focuses on enhancing submarine technologies and ensuring that the U.S. Navy’s submarine fleet remains at the forefront of undersea warfare.

Research efforts include improving stealth capabilities, developing advanced weapon systems, and exploring innovative ways to mitigate the risks of operating submarines. The base’s research and development efforts contribute to the continuous evolution and improvement of submarines, ensuring the United States Navy maintains technological superiority at sea.

Collaboration with Allies:

Naval Submarine Base New London plays a key role in fostering collaboration and partnerships with allied nations. As an important hub for undersea warfare, the base hosts international exercises and training events, allowing for the exchange of knowledge and expertise.

These collaborations enhance interoperability and strengthen the collective defense capabilities of partner nations. Naval officers and submariners from around the world come to the base to participate in joint exercises, share best practices, and build trust among allied forces.

Community Engagement:

Naval Submarine Base New London recognizes the importance of engaging with the local community. The base actively participates in various community outreach initiatives, fostering positive relationships and contributing to the well-being of the surrounding area.

The base conducts educational programs for local schools, organizes community events, and provides support to local organizations. This involvement not only strengthens the bond between the base and the community but also helps raise awareness about the vital role submarines and the U.S. Navy play in national security.


Naval Submarine Base New London’s mission encompasses diverse and crucial responsibilities, from supporting and maintaining submarines to training submariners and conducting advanced research and development. As a strategic hub of undersea warfare, the base plays a pivotal role in ensuring the United States Navy’s dominance beneath the waves.

Its commitment to excellence, collaboration, and community engagement ensures that the base continues to fulfill its mission of safeguarding the nation’s maritime security and maintaining undersea dominance now and in the future.

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