Conning Towers Nautilus Park, Connecticut

WXLM (980 kHz) is a commercial AM radio station licensed to Groton, Connecticut, and serving the New London - Groton area. It broadcasts a talk radio format and is owned by Cumulus Media. The studios and offices are located on Governor Winthrop Boulevard in New London. By day, WXLM transmits with 1,000 watts, but to protect other stations on 980 AM at night, WXLM reduces power to 72 watts at sunset. It uses a non-directional antenna. The transmitter is on Briar Hill Road near Gungywamp Road.

WNLC (98.7 FM) is an American radio station licensed to serve the community of East Lyme, Connecticut. The station is owned by Hall Communications, Inc., which owns a number of stations in medium-sized markets along the eastern seaboard from Vermont to Florida. It airs a classic rock music format.The station was assigned the WNLC call letters by the Federal Communications Commission on April 24, 1998.

WQGN-FM (105.5 MHz "Q105") is a commercial FM radio station licensed to Groton, Connecticut, and serving the New London - Groton area. It broadcasts a CHR/Top 40 radio format and is owned by Cumulus Media. WQGN carries several nationally syndicated shows including The Kidd Kraddick Morning Show, Zach Sang and the Gang and the Carson Daly Top 30. The radio studios and offices are located on Governor Winthrop Boulevard in New London. WQGN-FM has an effective radiated power (ERP) of 3,000 watts. The transmitter is on Briar Hill Road near Gungywamp Road. It shares the same tower as sister station WXLM 980 AM.

Gungywamp is an archaeological site in Groton, Connecticut, United States, consisting of artifacts dating from 2000-770 BC, a stone circle, and the remains of both Native American and colonial structures. Among multiple structural remains, of note is a stone chamber featuring an astronomical alignment during the equinoxes. Besides containing beehive chambers and petroglyphs, the Gungywamp site has a double circle of stones near its center, just north of two stone chambers. Two concentric circles of large quarried stones – 21 large slabs laid end to end – are at the center of the site. The origin and meaning of the name is uncertain. According to The Hartford Courant, researchers have "associated the name, 'Gungywamp' with ancient Gaelic, Mohegan, Pequot, and Algonquin" and could mean anything from "church of the people", "place of ledges", "swampy place"; or "all powerful" and "white," respectively.In 2018 the deed to 270 acres of the original 400-acre parcel was transferred to the State of Connecticut by the YMCA. Discussions were in progress on how to allow legal access to the property while preserving the archaeological sites.

X-1 (or SS X-1) was one of the United States Navy's only Midget Submarines (but see the NR-1 Deep Submergence Craft). She was designed under project SCB 65; laid down on 8 June 1954, at Deer Park, Long Island, New York, by the Engine Division of Fairchild Engine and Airplane Corporation; launched on 7 September 1955, at Oyster Bay, Long Island, by Jakobson Shipyard; delivered to the Navy on 6 October at New London, Connecticut, and placed in service on 7 October 1955, with Lieutenant Kevin Hanlon in command.

USS Nautilus (SSN-571) was the world's first operational nuclear-powered submarine and the first submarine to complete a submerged transit of the North Pole on 3 August 1958. Her initial commanding officer was Eugene "Dennis" Wilkinson, a widely respected naval officer who set the stage for many of the protocols of today's Nuclear Navy of the US, and who had a storied career during military service and afterwards.Sharing a name with Captain Nemo's fictional submarine in Jules Verne's classic 1870 science fiction novel Twenty Thousand Leagues Under the Sea and the USS Nautilus (SS-168) that served with distinction in World War II, the new nuclear-powered Nautilus was authorized in 1951. Construction began in 1952, and the boat was launched in January 1954, attended by Mamie Eisenhower, First Lady of the United States, wife of 34th President Dwight D. Eisenhower; it was commissioned the following September into the United States Navy. Nautilus was delivered to the Navy in 1955. Because her nuclear propulsion allowed her to remain submerged far longer than diesel-electric submarines, she broke many records in her first years of operation and traveled to locations previously beyond the limits of submarines. In operation, she revealed a number of limitations in her design and construction. This information was used to improve subsequent submarines. Nautilus was decommissioned in 1980 and designated a National Historic Landmark in 1982. The submarine has been preserved as a museum ship at the Submarine Force Library and Museum in Groton, Connecticut, where the vessel receives around 250,000 visitors per year.

The United States Navy Submarine Force Library and Museum is located on the Thames River in Groton, Connecticut. It is the only submarine museum managed exclusively by the Naval History & Heritage Command division of the Navy, and this makes it a repository for many special submarine items of national significance, including USS Nautilus (SSN-571). Visitors may take a 30-minute self-guided audio tour of the Nautilus.

USS Bass (SF-5/SS-164), a Barracuda-class submarine and one of the "V-boats", was the first ship of the United States Navy to be named for the bass.

Naval Submarine Base New London is the primary United States Navy East Coast submarine base, also known as the "Home of the Submarine Force." It is located in Groton, Connecticut directly across the Thames River from its namesake city of New London.

Atlantic Reserve Fleet, New London opened in 1946 at the Naval Submarine Base New London in Groton, Connecticut on the Thames River. The New London Reserve Fleet was 3 miles north of the city New London, Connecticut. Naval Submarine Base New London opened in 1868. The freshwater port became a good site to store both submarines and ships after World War II as part of the United States Navy reserve fleets. Three submarine tender ships were given the task of mothballing the submarines. The three ships: USS Apollo, USS Anthedon, USS Proteus (AS-19) cleaned the ship and sealed the subs with preservatives. It took a few years to process the over 50 submarines in the New London Reserve fleet. Some submarines there were reactivated for Korean War. By 1965 the fleet of World War II submarine were obsolete and the fleet had been scrapped.The USS Apollo worked at the Reserve fleet till 1963. The USS Proteus worked the at the fleet until January 1959, then transferred to the Charleston Naval Shipyard and was converted to a Polaris Fleet Ballistic Missile submarine tender. USS Anthedon served the fleet until 1969 when she was sold to Turkey and became the Turkish Navy TCG Donatan (A-583).

USS Flasher (SS-249) was a Gato-class submarine which served in the Pacific during World War II. She received the Presidential Unit Citation and six battle stars, and sank 21 ships for a total of 100,231 tons of Japanese shipping, making her one of the most successful American submarines of the War. She was the first ship of the United States Navy to be named for the flasher.

Groton station was one of the shortest-lived Amtrak passenger rail stations, in service from January to April 1978 during the last incarnation of Amtrak's Clamdigger service. Previous stations at several locations in Groton were served from 1852 until the mid-20th century.