Fort William and Mary was a colonial fortification in Britain's worldwide system of defenses, manned by soldiers of the Province of New Hampshire who reported directly to the royal governor. The fort, originally known as "The Castle", was situated on the island of New Castle, New Hampshire, at the mouth of the Piscataqua River estuary. It was renamed Fort William and Mary circa 1692, after the accession of the monarchs William III and Mary II to the British throne. It was captured by Patriot forces, recaptured, and later abandoned by the British in the Revolutionary War. The fort was renamed Fort Constitution in 1808 following rebuilding. The fort was further rebuilt and expanded through 1899 and served actively through World War II.
Fort Adams is a former United States Army post in Newport, Rhode Island that was established on July 4, 1799 as a First System coastal fortification, named for President John Adams who was in office at the time. Its first commander was Captain John Henry who was later instrumental in starting the War of 1812. The current Fort Adams was built 1824–57 under the Third System of coastal forts; it is part of Fort Adams State Park today.
Fort Preble was a military fort in South Portland, Maine, United States, built in 1808 and progressively added to through 1906. It is now on the campus of Southern Maine Community College.
Beavertail State Park is a public recreation area encompassing 153 acres (62 ha) at the southern end of Conanicut Island in Narragansett Bay, Rhode Island. The state park's main attraction is the active Beavertail Lighthouse, the current tower of which dates from 1856. During World War II, the park area was part of Fort Burnside, one of several coastal fortifications designed to protect Narragansett Bay. The park's scenic shoreline offers hiking, picnicking, and saltwater fishing.
Fort Popham is a Civil War-era coastal defense fortification at the mouth of the Kennebec River in Phippsburg, Maine. It is located in sight of the short-lived Popham Colony and, like the colony, named for George Popham, the colony's leader.
Fort Winthrop, built in 1808 and named Fort Warren until 1834, was a defensive fortification in Boston Harbor named after John Winthrop, an early governor of the Massachusetts Bay Colony.
Fort Wetherill is a former coast artillery fort that occupies the southern portion of the eastern tip of Conanicut Island in Jamestown, Rhode Island. It sits atop high granite cliffs, overlooking the entrance to Narragansett Bay. Fort Dumpling from the American Revolutionary War occupied the site until it was built over by Fort Wetherill. Wetherill was deactivated and turned over to the State of Rhode Island after World War II and is now operated as Fort Wetherill State Park, a 51-acre (210,000 m2) reservation managed by the Rhode Island Department of Environmental Management.
The Fort Hamilton Historic District is a historic district including all of Rose Island in Newport, Rhode Island. The district includes Rose Island Light and an early U.S. military fortification designed in part by Major Louis de Tousard. The fort was named after Alexander Hamilton, and was part of the first system of US fortifications.
Fort Getty is a town park in Jamestown, Rhode Island, on Conanicut Island in Narragansett Bay. From 1900 through World War II it was a military fort. The Town of Jamestown later received the property and opened it as a park, primarily a campground.
Fort Wolcott was a fortification on the small Goat Island in Newport Harbor of Narragansett Bay less than 1 mile west of the city of Newport, Rhode Island. The attacks on HMS St John and HMS Liberty occurred near the fort.
Fort Defiance was a fort that existed from 1794 to after 1865 on Fort Point in Gloucester, Massachusetts. The location protecting the inner harbor was also called Watch House Point.
Fort Norfolk is a historic fort and national historic district located at Norfolk, Virginia. With the original buildings having been built between 1795 and 1809, the fort encloses 11 buildings: main gate, guardhouse, officers' quarters, powder magazine, and carpenter's shop. Fort Norfolk is the last remaining fortification of President George Washington's 18th century harbor defenses, later termed the first system of US fortifications. It has served as the district office for the U.S. Army Engineer District, Norfolk since 1923.
Fort Nelson was a fort located on Hospital Point in Portsmouth, Virginia, which is currently the site of the Portsmouth Naval Hospital. The fort was named for Thomas Nelson Jr., governor of Virginia in 1781. It and Fort Norfolk were built to guard the Elizabeth River, including the cities of Norfolk and Portsmouth and the Gosport Navy Yard. The fort was originally built by patriot forces with funding from the Virginia government in 1776 during the American Revolutionary War, but destroyed when the British occupied the area in 1779. A British map shows that they rebuilt the fort by 1781. Following the Revolution, the fort was again rebuilt in 1794 under the first system of US fortifications, was garrisoned in the War of 1812, but was demolished in 1827 to make room for the naval hospital. The fort was again rebuilt by Confederate forces in 1861, but the Confederates evacuated the area in May 1862 and the fort was eventually demolished.
Fort Greene is a United States Army Reserve installation in the Point Judith area of Narragansett, Rhode Island. During World War II this was a coastal defense fort, and together with Fort Church in Little Compton, it superseded all previous heavy gun defenses in the Harbor Defenses of Narragansett Bay. It is named for General Nathanael Greene of the Revolutionary War, who was born in Rhode Island.
Camp Varnum is a Rhode Island Army National Guard training facility in the Boston Neck area of Narragansett, Rhode Island. During World War II it was Fort Varnum, a coastal defense fort.
Fort Kearny was a coastal defense fort in the Saunderstown area of Narragansett, Rhode Island from 1901 to 1943. It was a prisoner-of-war camp for German prisoners in 1945. It is now the Narragansett Bay Campus of the University of Rhode Island. In many sources it is spelled Fort Kearney.
Fort Sumner was a coastal defense fortification on Munjoy Hill in Portland, Maine, United States. It was built in 1794 as part of the First System of coastal fortifications built by the United States. It was reportedly originally named Fort Allen after the nearby Revolutionary War battery that probably became part of Fort Sumner, but was renamed in 1797 after Increase Sumner, the incumbent Governor of Massachusetts, of which Maine was then a part. The location is now Fort Sumner Park, also called Standpipe Park, at 60 North Street.
The Harbor Defenses of Narragansett Bay was a United States Army Coast Artillery Corps harbor defense command. It coordinated the coast defenses of Narragansett Bay and Rhode Island from 1895 to 1950, beginning with the Endicott program. These included both coast artillery forts and underwater minefields. The command originated circa 1895 as an Artillery District, was renamed Coast Defenses of Narragansett Bay in 1913, and again renamed Harbor Defenses of Narragansett Bay in 1925.
Fort Powhatan is a former river defense fort located at Windmill Hill near Garysville, Virginia, 2.5 miles (4.0 km) southeast of Flowerdew Hundred Plantation in Prince George County, Virginia. The fort was named for the area's Powhatan tribe of indigenous people; the name is also an English term for their leader. It is on the south bank of the James River, sited to prevent enemy vessels proceeding upriver to Richmond. The first fort on the site was a two-gun battery called Hood's Battery, built in 1779 during the American Revolutionary War and named after the owner of the plantation it was on. In January 1781, British forces under Benedict Arnold attacked and dismantled the battery and went on to burn Richmond. Later that year a larger fort was built, named Fort Hood. In 1808 this was replaced by the federal government with Fort Powhatan, part of what was later called the second system of US fortifications. The fort was not attacked in the War of 1812. In 1862, during the American Civil War, Confederate forces added a new earthwork battery on the site; the fort area was captured by Union forces in 1863. The fort was abandoned at the end of the war in 1865.
