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  2. In the American colonies and the United States, coastal forts were generally more heavily constructed than inland forts, and mounted heavier weapons comparable to those on potential attacking ships. Coastal forts built from 1794 through 1867 were generally grouped into three time periods by later historians; these were marked by significant ...

  3. Seacoast defense in the United States - Wikipedia

    en.wikipedia.org/wiki/Seacoast_defense_in_the...

    When the United States gained independence in 1783, the seacoast defense fortifications were in poor condition. Concerned by the outbreak of war in Europe in 1793, the Congress created a combined unit of "Artillerists and Engineers" to design, build, and garrison forts in 1794, appointed a committee to study coast defense needs, and appropriated money to construct a number of fortifications ...

  4. Rodman gun - Wikipedia

    en.wikipedia.org/wiki/Rodman_gun

    A 20-inch hollow cast gun, which may not have been identical to the two guns supplied to the US Army, was sold to Peru. Rodman guns were cast at the Fort Pitt Foundry, Pittsburgh, Pennsylvania; [2] [3] the Scott Foundry, Reading, Pennsylvania; Cyrus Alger & Co., Boston, Massachusetts; and the West Point Foundry, Cold Spring, New York.

  5. List of forts in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_forts_in_the...

    Artillerists and Engineers: The Beginnings of American Seacoast Fortifications, 1794–1815. CDSG Press. ISBN 978-0-9748167-2-2. Weaver II, John R. (2018). A Legacy in Brick and Stone: American Coastal Defense Forts of the Third System, 1816-1867, 2nd Ed. McLean, VA: Redoubt Press. ISBN 978-1-7323916-1-1.

  6. Coastal defence and fortification - Wikipedia

    en.wikipedia.org/wiki/Coastal_defence_and...

    The defence of its coasts was a major concern for the United States from its independence. Prior to the American Revolution many coastal fortifications already dotted the Atlantic coast, as protection from pirate raids and foreign incursions. The Revolutionary War led to the construction of many additional fortifications, mostly comprising ...

  7. Harbor Defenses of Portsmouth - Wikipedia

    en.wikipedia.org/wiki/Harbor_Defenses_of_Portsmouth

    Fort William and Mary by Wolfgang William Romer (1705). Fort Constitution in the 19th century. Battery Farnsworth, 8-inch disappearing gun emplacement, Fort Constitution. The first fort in the Portsmouth area was Fort William and Mary (called The Castle until circa 1692) in New Castle, [8] initially garrisoned before 1632 and perhaps the oldest continuously fortified site in the British ...

  8. Passaic-class monitor - Wikipedia

    en.wikipedia.org/wiki/Passaic-class_monitor

    Having observed the new 15-inch Rodman cannon in fortifications and disappointed with the performance of the 11-inch Dahlgren versus CSS Virginia, Assistant Secretary of the Navy Gustavus Fox required the new monitors to be equipped with at least one gun of 15-inch caliber, resulting in rush production of a new 15-inch Dahlgren.

  9. Category:Fortifications in the United States - Wikipedia

    en.wikipedia.org/wiki/Category:Fortifications_in...

    United States Army Coast Artillery Corps (3 C, 27 P) Pages in category "Fortifications in the United States" The following 13 pages are in this category, out of 13 total.