Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Submarine_mines_in_United_States_harbor_defense> ?p ?o }
Showing triples 1 to 83 of
83
with 100 triples per page.
- Submarine_mines_in_United_States_harbor_defense abstract "The modern era of defending American harbors with submarine mines (originally referred to as \"torpedos\") began in the post-Civil War period.In 1866, the United States Army Corps of Engineers established the Engineer School of Application at Willets Point, NY. The first commander of this School, Maj. Henry Larcom Abbot, was almost single-handedly responsible for designing and supervising the program of research and development that defined the strategy and tactics for the mine defense of American harbors. Abbot experimented with underwater explosives, fuzes, cabling, and electrical equipment for over a decade before publishing the first manuals on the use of mines in coast defense in 1876–77.Then, in 1886, the Endicott Board made its report on harbor defense, giving rise to a vast expansion in the building of modern forts, the installation of new guns, and the preparation of mine defenses at newly-created Coast Defense Commands.From about 1900 until 1946 the mine defense program grew, until upwards of 10,000 controlled mines were maintained by the U.S. Army's Coast Artillery Corps. In July 1918, the U.S. Army Mine Planter Service (AMPS) was established to maintain U.S. mine defenses.Controlled mines were anchored to the bottom of a harbor, either sitting on the bottom itself (ground mines) or floating (buoyant mines) at depths which could vary widely, from about 20 to 250 feet (6–75 m). These mines were fired electrically through a vast network of underwater electrical cables at each protected harbor. Mines could be set to explode on contact or be triggered by the operator, based on reports of the position of enemy ships. The networks of cables terminated on shore in massive concrete bunkers called mine casemates (see photo, below-right), that were usually buried beneath protective coverings of earth.The mine casemate housed electrical generators, batteries, control panels, and troops that were used to test the readiness of the mines and to fire them when needed. The map of Boston Harbor's mine fields (below, right) shows the harbor mine defenses consisting of 30 groups of mines, with 19 mines per group. Each mine was normally loaded with 200 lb (91 kg) of TNT. So in Boston's case, a total of 57 tons of explosives guarded the harbor.Each protected harbor also maintained a small fleet of mine planters and tenders that were used to plant the mines in precise patterns, haul them back up periodically to check their condition (or to remove them back to the shore during peacetime), and then plant them again. Each of these harbors also had on-shore facilities to store the mines and the TNT used to fill them, to load and transport the mines (which often weighed over 750 lb (340 kg). each when loaded), and to test and repair the electrical cables. Fire control structures were also built that were used first to observe the mine-planting process and fix location of each mine and second to track attacking ships, reporting when specific mines should be detonated (so-called \"observed fire\"). The preferred method of using the mines was to set them to detonate a set period of time after they had been touched or tipped, avoiding the need for observers to spot each target ship.".
- Submarine_mines_in_United_States_harbor_defense thumbnail Mine-and-Box.jpg?width=300.
- Submarine_mines_in_United_States_harbor_defense wikiPageExternalLink Mines.html.
- Submarine_mines_in_United_States_harbor_defense wikiPageExternalLink www.cdsg.org.
- Submarine_mines_in_United_States_harbor_defense wikiPageID "28117173".
- Submarine_mines_in_United_States_harbor_defense wikiPageLength "14121".
- Submarine_mines_in_United_States_harbor_defense wikiPageOutDegree "32".
- Submarine_mines_in_United_States_harbor_defense wikiPageRevisionID "692582241".
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink Board_of_Fortifications.
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink Category:20th-century_military_history_of_the_United_States.
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink Category:Anti-ship_weapons.
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink Category:Anti-submarine_weapons.
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink Category:Area_denial_weapons.
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink Category:Coastal_fortifications.
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink Category:Explosive_weapons.
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink Category:Fortifications_in_the_United_States.
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink Coast_Artillery_fire_control_system.
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink Controlled_mines.
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink File:Boston-Mines-1945.jpg.
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink File:Mine-Control-Panel.jpg.
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink File:Mine-and-Box.jpg.
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink File:Strong-Casemate.jpg.
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink File:Strong-Mine-Handling.jpg.
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink File:Strong-Mines-S.jpg.
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink Fort_Dawes.
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink Fort_Strong.
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink Fort_Warren_(Massachusetts).
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink Harbor_Defense_Command.
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink Harbor_Defense_Museum.
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink Interrupter.
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink List_of_ships_of_the_United_States_Army.
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink Mine_Planter_Service_(U.S._Army).
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink Mine_planter_(U.S._Army).
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink Minelayer.
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink Seacoast_defense_in_the_United_States.
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink United_States_Army_Coast_Artillery_Corps.
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink United_States_Army_Corps_of_Engineers.
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLink File:Mine-and-Anchor.jpg.
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLinkText "Army-operated mine defenses".
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLinkText "Controlled mine fields".
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLinkText "Mining Casemate".
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLinkText "Submarine Mine Battery".
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLinkText "Submarine mines in United States harbor defense".
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLinkText "Underwater mine fields".
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLinkText "controlled mine fields".
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLinkText "controlled naval minefield".
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLinkText "mine casemate".
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLinkText "mine casemates".
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLinkText "mine control casemate".
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLinkText "minefield".
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLinkText "minefields".
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLinkText "naval minefield".
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLinkText "naval minefields".
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLinkText "submarine mine system".
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLinkText "submarine mines".
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLinkText "underwater minefield".
- Submarine_mines_in_United_States_harbor_defense wikiPageWikiLinkText "underwater minefields".
- Submarine_mines_in_United_States_harbor_defense wikiPageUsesTemplate Template:By_whom.
- Submarine_mines_in_United_States_harbor_defense wikiPageUsesTemplate Template:Cite_book.
- Submarine_mines_in_United_States_harbor_defense wikiPageUsesTemplate Template:Convert.
- Submarine_mines_in_United_States_harbor_defense wikiPageUsesTemplate Template:Coord.
- Submarine_mines_in_United_States_harbor_defense wikiPageUsesTemplate Template:Refimprove.
- Submarine_mines_in_United_States_harbor_defense wikiPageUsesTemplate Template:Reflist.
- Submarine_mines_in_United_States_harbor_defense subject Category:20th-century_military_history_of_the_United_States.
- Submarine_mines_in_United_States_harbor_defense subject Category:Anti-ship_weapons.
- Submarine_mines_in_United_States_harbor_defense subject Category:Anti-submarine_weapons.
- Submarine_mines_in_United_States_harbor_defense subject Category:Area_denial_weapons.
- Submarine_mines_in_United_States_harbor_defense subject Category:Coastal_fortifications.
- Submarine_mines_in_United_States_harbor_defense subject Category:Explosive_weapons.
- Submarine_mines_in_United_States_harbor_defense subject Category:Fortifications_in_the_United_States.
- Submarine_mines_in_United_States_harbor_defense point "42.329388 -70.958288".
- Submarine_mines_in_United_States_harbor_defense type Redirect.
- Submarine_mines_in_United_States_harbor_defense type SpatialThing.
- Submarine_mines_in_United_States_harbor_defense comment "The modern era of defending American harbors with submarine mines (originally referred to as \"torpedos\") began in the post-Civil War period.In 1866, the United States Army Corps of Engineers established the Engineer School of Application at Willets Point, NY. The first commander of this School, Maj.".
- Submarine_mines_in_United_States_harbor_defense label "Submarine mines in United States harbor defense".
- Submarine_mines_in_United_States_harbor_defense sameAs Q7631639.
- Submarine_mines_in_United_States_harbor_defense sameAs m.0cnx_lh.
- Submarine_mines_in_United_States_harbor_defense sameAs Q7631639.
- Submarine_mines_in_United_States_harbor_defense lat "42.329388".
- Submarine_mines_in_United_States_harbor_defense long "-70.958288".
- Submarine_mines_in_United_States_harbor_defense wasDerivedFrom Submarine_mines_in_United_States_harbor_defense?oldid=692582241.
- Submarine_mines_in_United_States_harbor_defense depiction Mine-and-Box.jpg.
- Submarine_mines_in_United_States_harbor_defense isPrimaryTopicOf Submarine_mines_in_United_States_harbor_defense.