American submarine NR-1

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  Early design sketch of the NR-1

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  American_submarine_NR-1

American Submarine NR-1

The American submarine NR-1 was a unique nuclear-powered research submarine operated by the United States Navy. It was designed for deep submergence and oceanographic research, as well as for military missions. The NR-1 was notable for its ability to operate at great depths for extended periods, making it a valuable asset for both scientific and military purposes.

Design and Construction

The NR-1 was conceived in the 1960s, during a period of intense interest in deep-sea exploration and undersea warfare. It was designed by the Naval Reactors branch of the United States Navy under the direction of Admiral Hyman G. Rickover. The submarine was built by the Electric Boat Division of General Dynamics in Groton, Connecticut.

The NR-1 was launched on January 25, 1969, and commissioned on October 27, 1969. It was 145 feet long and had a displacement of approximately 400 tons. The submarine was powered by a small nuclear reactor, which allowed it to remain submerged for extended periods without the need for refueling.

Capabilities

The NR-1 was capable of diving to depths of 3,000 feet, which was significantly deeper than most submarines of its time. It was equipped with wheels for crawling along the ocean floor, a feature that allowed it to conduct detailed surveys and recover objects from the seabed. The submarine also had external lights and cameras for visual observation and a manipulator arm for retrieving objects.

The NR-1 could accommodate a crew of 13, including scientists and technicians, and was equipped with a variety of scientific instruments for oceanographic research. It was used for a wide range of missions, including the recovery of lost equipment, underwater construction, and the study of marine geology and biology.

Operational History

Throughout its operational life, the NR-1 conducted numerous missions of both scientific and military significance. It was involved in the search for and recovery of debris from the Space Shuttle Challenger disaster in 1986. The submarine also participated in the exploration of the Titanic wreck site, providing valuable data and images.

The NR-1 was often used in conjunction with surface support ships, such as the USS Carolyn Chouest, which provided logistical support and served as a platform for launching and recovering the submarine.

Decommissioning

After nearly 40 years of service, the NR-1 was decommissioned on November 21, 2008. Its unique capabilities and contributions to both military and scientific endeavors were widely recognized, and it remains a significant part of the history of undersea exploration.

Related Pages

• Submarine
• Nuclear submarine
• Deep-sea exploration
• United States Navy
• Hyman G. Rickover