Fourth Cliff Military Reservation
Fourth Cliff Military Reservation was a World War II coastal defense site located near Scituate, Massachusetts, USA. It is now a recreation area for Hanscom Air Force Base. History The Fourth Cliff Military Reservation was built on private land during World War II, and was organizationally part of the Harbor Defenses of Boston. It consisted of an early radar, fire control towers, and artillery batteries and today, a combination of three one- and two-bedroom recreational lodging facilities. One battery of two 6-inch guns was built here, on shielded barbette carriages with a magazine and fire control bunker between them. It was known as Battery 208 and was completed in November 1944. A 16-inch gun battery, Battery 106, was planned for the Flowers Hill area but was never built. The guns were scrapped and the fort abandoned as a coast defense installation in 1948.Berhow, p. 206 The site today It is a seaside recreation area located in Humarock (near Scituate) on Massachusetts' Sout ...
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Scituate, Massachusetts
Scituate () is a seacoast town in Plymouth County, Massachusetts, United States, on the South Shore, midway between Boston and Plymouth. The population was 19,063 at the 2020 census. History The Wampanoag and their neighbors have inhabited the lands Scituate now stands on for thousands of years. The name Scituate is derived from " satuit", the Wampanoag term for cold brook, which refers to a brook that runs to the inner harbor of the town. In 1710, several European colonizers emigrated to Rhode Island and founded Scituate, Rhode Island, naming it after their previous hometown. European colonization brought a group of people from Plymouth about 1627, who were joined by colonizers from the county of Kent in England. They were initially governed by the General Court of Plymouth, but on October 5, 1636, the town incorporated as a separate entity. The Williams-Barker House, which still remains near the harbor, was built in 1634. Twelve homes and a sawmill were destroyed in ...
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Harbor Defenses Of Boston
The Harbor Defenses of Boston was a United States Army Coast Artillery Corps harbor defense command. It coordinated the coast defenses of Boston, Massachusetts from 1895 to 1950, beginning with the Endicott program. These included both coast artillery forts and underwater minefields. The command originated circa 1895 as the Boston Artillery District, was renamed Coast Defenses of Boston in 1913, and again renamed Harbor Defenses of Boston in 1925.Stanton, pp. 455-481Rinaldi, pp. 165-166Berhow, p. 430-434 History Early Boston forts Colonial period Boston Harbor's principal coastal fort of the colonial era was Castle William, whose site was first fortified in 1634 and called "the Castle" until 1692, when it was renamed for William III, the King of England at the time. It is one of the oldest continuously fortified sites in the northeastern United States; however, the site of Fort William and Mary near Portsmouth, New Hampshire was fortified at least two years previously. T ...
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Barbette
Barbettes are several types of gun emplacement in terrestrial fortifications or on naval ships. In recent naval usage, a barbette is a protective circular armour support for a heavy gun turret. This evolved from earlier forms of gun protection that eventually led to the pre-dreadnought. The name ''barbette'' ultimately comes from fortification - it originally meant a raised platform or mound, as in the French phrase ''en barbette'', which refers to the practice of firing a cannon over a parapet rather than through an embrasure in a fortification's casemate. The former gives better angles of fire but less protection than the latter. The disappearing gun was a variation on the barbette gun; it consisted of a heavy gun on a carriage that would retract behind a parapet or into a gunpit for reloading. Barbettes were primarily used in coastal defences, but saw some use in a handful of warships, and some inland fortifications. The term is also used for certain aircraft gun mounts. Sh ...
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Installations Of The United States Air Force In Massachusetts
Installation may refer to: * Installation (computer programs) * Installation, work of installation art * Installation, military base * Installation, into an office, especially a religious (Installation (Christianity) Installation is a Christian liturgical act that formally inducts an incumbent into a new role at a particular place such as a cathedral. The term arises from the act of symbolically leading the incumbent to their stall or throne within the cathedra ...

Installations Of The U
Installation may refer to: * Installation (computer programs) * Installation, work of installation art * Installation, military base * Installation, into an office, especially a religious (Installation (Christianity) Installation is a Christian liturgical act that formally inducts an incumbent into a new role at a particular place such as a cathedral. The term arises from the act of symbolically leading the incumbent to their stall or throne within the cathedra ...

List Of Military Installations In Massachusetts
This is a list of current and former military installations in the Commonwealth of Massachusetts. Current military installations in Massachusetts Joint facilities ;Bases * Joint Base Cape Cod (state designation, not federally recognized)USCG Air Station Cape Cod
Official Site ;Centers * David S. Connolly Armed Forces Reserve Center *
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United States Army Coast Artillery Corps
The U.S. Army Coast Artillery Corps (CAC) was an administrative corps responsible for coastal, harbor, and anti-aircraft defense of the United States and its possessions between 1901 and 1950. The CAC also operated heavy and railway artillery during World War I. History As early as 1882 the need for heavy fixed artillery for seacoast defense was noted in Chester A. Arthur's Second Annual Message to Congress where he noted: In 1885 the Endicott Board was convened under the subsequent Grover Cleveland administration, chaired by Secretary of War William Crowninshield Endicott. This board recommended a large-scale program of harbor defenses at 29 ports, including guns, mortars, and mine fields. Most of their recommendations were implemented and new defenses were constructed by the United States Army Corps of Engineers 1895–1905. As the defenses were constructed, each harbor or river's installations were controlled by Artillery Districts, renamed Coast Defense Commands in 191 ...
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Seacoast Defense In The United States
Seacoast defense was a major concern for the United States from its independence until World War II. Before Military aviation, airplanes, many of America's enemies could only reach it from the sea, making coastal forts an economical alternative to Standing army, standing armies or a large navy. After the 1940s, it was recognized that fixed fortifications were obsolete and ineffective against aircraft and missiles. However, in prior eras foreign fleets were a realistic threat, and substantial fortifications were built at key locations, especially protecting major harbors. The defenses heavily depended on fortifications but also included Submarine mines in United States harbor defense, submarine minefields, nets and boom (navigational barrier), booms, ships, and airplanes. Therefore, all of the armed forces participated in seacoast defense, but the United States Army Corps of Engineers, U.S. Army Corps of Engineers played the central role in constructing fixed defenses. Designs evo ...
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16"/50 Caliber Mark 2 Gun
The 16"/50 caliber Mark 2 gun and the near-identical Mark 3 were guns originally designed and built for the United States Navy as the main armament for the ''South Dakota''-class battleships and s. The successors to the 16"/45 caliber gun Mark I gun, they were at the time among the heaviest guns built for use as naval artillery. As part of the Washington Naval Treaty of 1922, both of these ship classes were cancelled part way through construction, rendering surplus about 70 examples of the 16-inch/50 which had already been built. Twenty were released to the US Army, between 1922–1924, for use by the Coast Artillery Corps, the rest were kept in storage for future naval use. Only ten of the twenty available guns were deployed (in five two-gun batteries) prior to 1940.Berhow, p. 61 When the design of the began in 1938, it was initially assumed these ships would use the surplus guns. However, due to a miscommunication between the two Navy departments involved in the design, the ...
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6-inch Gun M1
The 6-inch gun M1897 (152 mm) and its variants the M1900, M1903, M1905, M1908, and M1 (a.k.a. T2) were coastal artillery pieces installed to defend major American seaports between 1897 and 1945. For most of their history they were operated by the United States Army Coast Artillery Corps. They were installed on disappearing carriages or pedestal (a.k.a. barbette) mountings, and during World War II many were remounted on shielded barbette carriages. Most of the weapons not in the Philippines were scrapped within a few years after World War II. History In 1885, William C. Endicott, President Grover Cleveland's Secretary of War, was tasked with creating the Board of Fortifications to review seacoast defenses. The findings of the board illustrated a grim picture of existing defenses in its 1886 report and recommended a massive $127 million construction program of breech-loading cannons, mortars, floating batteries, and submarine mines for some 29 locations on the US coastline. ...
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Fort Columbia State Park
Fort Columbia State Park is a public recreation area and historic preserve at the site of former Fort Columbia, located on Chinook Point at the mouth of the Columbia River in Chinook, Washington. The state park features twelve historic wood-frame fort buildings as well as an interpretive center and hiking trails. The park's grounds are located over a tunneled section of U.S. Route 101. History Fort Columbia was built from 1896 to 1904 to support the defense of the Columbia River. The fort was constructed on the Chinook Point promontory as part of a "triangle of fire" defensive strategy that included Fort Canby and Fort Stevens. Fort Columbia was declared surplus at the end of World War II and was transferred to the custody of the state of Washington in 1950. In the 1960s and 1970s, Battery 246 was outfitted to serve as a Civil Defense Emergency Operating Center and was one of several possible locations the governor could use in an emergency. In 1993, the park received a pair o ...
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Fire-control System
A fire-control system (FCS) is a number of components working together, usually a gun data computer, a director, and radar, which is designed to assist a ranged weapon system to target, track, and hit a target. It performs the same task as a human gunner firing a weapon, but attempts to do so faster and more accurately. Naval based fire control Origins The original fire-control systems were developed for ships. The early history of naval fire control was dominated by the engagement of targets within visual range (also referred to as direct fire). In fact, most naval engagements before 1800 were conducted at ranges of . Even during the American Civil War, the famous engagement between and was often conducted at less than range. Rapid technical improvements in the late 19th century greatly increased the range at which gunfire was possible. Rifled guns of much larger size firing explosive shells of lighter relative weight (compared to all-metal balls) so greatly increa ...
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