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Fort Terry

fort terry, fort terry ny
Fort Terry was a coastal fortification on Plum Island, a small island just off Orient Point, New York, USA This strategic position afforded it a commanding view over the Atlantic entrance to the commercially vital Long Island Sound It was established in 1897 and used intermittently through the end of World War II In 1952, it became a military animal and biological warfare BW research facility, moving to civilian control in 1954 as the Plum Island Animal Disease Center However, the biological warfare mission continued under civilian control until 1969, when the US ended offensive BW research The island is now being considered for sale or conversion to a wildlife refuge


  • 1 History
    • 11 Early history
    • 12 Endicott period 1895-1916
    • 13 World War I
    • 14 Between the wars
    • 15 World War II
    • 16 Animal disease center
    • 17 2000-2016
  • 2 Biological warfare research
  • 3 See also
  • 4 References


Early historyedit

First “owned” by the Corchaug and Montaukett Indian tribes1 the Plum Island was sold to Samuel Wyllys for a coat, a barrel of biscuits and 100 fishhooks2 The original fort was constructed after the federal government acquired Plum Island from Abraham S Hewitt, a former mayor of New London, Connecticut,3 for $25,0004 It is not clear how Hewitt became owner of the property

Endicott period 1895-1916edit

Fort Terry, named for Major General Alfred Terry,5 began construction in 1897 under the Endicott Program as part of the Harbor Defenses of Long Island Sound, and was expanded several times from the time of the Spanish–American War through World War II367 The initial federal purchase was for 150 acres; however, the rest of the island was turned over to the federal government in 19015

In 1898, before any of Fort Terry's batteries were completed, the Spanish-American War broke out It was feared the Spanish fleet would bombard the US east coast A number of weapons were purchased from the UK and hastily mounted to give the nascent fort system some modern armament By March 1898 a 47 inch/45 caliber gun was mounted at Battery Kelly under this program It was later transferred to the Sandy Hook Proving Ground in New Jersey, possibly in 1903 A pair of emplacements for modern 8-inch M1888 guns on modified 1870s-era Rodman carriages were also built at nearby Fort Tyler, but these seem to have not been armed8

Between 1897 and 1906 the following batteries were constructed at Fort Terry:9101112

Name No of guns Gun type Carriage type Years active Latitude Longitude
Stoneman 8 12-inch coast defense mortar M1890 barbette M1896 1901–1943 4118889 -7216472
Steele 2 10-inch gun M1888 disappearing M1896 1900–1942 41185 -7218083
Bradford 2 6-inch gun M1897 disappearing M1898 1901–1944 4118944 -7216333
Floyd 2 6-inch gun M1903 disappearing M1903 1906–1917 4116778 -7219722
Dimick 2 6-inch gun M1903 disappearing M1903 1905–1917 4118861 -7216389
Kelly 2 5-inch gun M1900 pedestal M1903 1898–1917 4118833 -7216444
Hagner 2 3-inch gun M1903 pedestal M1903 1906–1932 4117111 -7220361
Eldridge 2 3-inch gun M1903 pedestal M1903 1906–1946 411688889 -721961111
Dalliba 2 3-inch gun M1903 pedestal M1903 1905–1946 4118861 -7216222
Greble 2 3-inch gun M1903 pedestal M1903 1905–1932 4118917 -7216556
Campbell 2 3-inch gun M1903 pedestal M1903 1905–1934 4118972 -7216167

Battery Stoneman was named in honor of Brevet Bvt Major General MG George Stoneman, who served with distinction during the US Civil War, died 5 Sep 1894 Battery Steele was named in honor of Bvt MG Frederick Steele, US Army, who served with distinction during the Mexican-American War and the US Civil War, and who died on 12 Jan 1868 Battery Bradford was named on March 13, 1902 in honor of Captain James Bradford, US Artillery, who was killed on November 4, 1791, in action with hostile Indians at Fort Recovery, Ohio13 Battery Floyd was named in honor of 2nd Lt Robert Floyd, 3rd US Artillery, mortally wounded in the Battle of Chickamauga, GA, died on 23 Sep 186314 Battery Dimick was named in honor of Justin E Dimick,15 an artillery officer mortally wounded in the Battle of Chancellorsville, VA, died on 5 May 1863 Battery Eldridge was named in honor of Capt Bogardus Eldridge, US Infantry, who was killed in action at Bocoor, Philippine Islands, 2 Oct 1899 Battery Dalliba was named in honor of Bvt Major James Dalliba, assistant commissary of ordnance, who served 1811-1824 and died 8 Nov 183216 Battery Greble was named in honor of 1st Lt John Greble, 2nd US Artillery, killed in action at the Battle of Big Bethel, 10 Jun 1861

Battery Steele was unusual in that the two 10-inch gun emplacements are on different levels on a hillside

As an artillery post, Fort Terry was heavily armed as part of the Coast Defenses of Long Island Sound The Army's forts of this type were garrisoned by the Coast Artillery Corps By 1914 the fort had 11 gun batteries and facilities to control an underwater minefield17 In addition the post was home to an advanced fire control system for both the guns and the minefield5 The grounds also had a functional 36" gauge railroad built in 1914 The Porter locomotive was used to haul munitions from bunkers to the artillery batteries18

Fort Terry served as an artillery post during the Spanish–American War, and it was intended to attack enemy ships as they headed toward New York City7 Organized in 1907, It was initially manned by the 133rd Company, Coast Artillery Corps, organized in 190719 In 1916, they were re-designated as the 3d Company,20 and continued to serve in that capacity throughout World War I7 Lieutenant Colonel Andrew Hero, Jr was in command of the post in August, 191521

World War Iedit

Following the American entry into World War I in April 1917, changes were made at the stateside forts with a view to putting some coast artillery weapons into the fight on the Western Front The Coast Artillery Corps manned almost all US heavy and railway artillery in that war, with stateside forts reduced to a minimum garrison to provide gun crews in France The forts were also important as mobilization and training centers The four 6-inch guns of Batteries Floyd and Dimick were dismounted in 1917, to be mounted on field carriages for service in France The pair of 5-inch guns of Battery Kelly were apparently remounted at Fort H G Wright until scrapped in 1919922 The 6-inch guns appear to have arrived in France, but for lack of training time none of the 5-inch or 6-inch batteries saw action in that war23 The guns were never returned to Fort Terry9 In 1918 four of Battery Stoneman's mortars were removed; this was to improve reloading time as reloading four mortars simultaneously in one pit was cumbersome9 Many of the mortars removed under this program became railway artillery, but none of these were shipped to France during the war

Between the warsedit

Following the end of World War I, Fort Terry was declared surplus and put under the control of personnel at Fort HG Wright in caretaker status5 Two anti-aircraft batteries with two guns each were built in 1920, probably armed with the 3-inch gun M191711 In 1924, Fort Terry was used by the Portsmouth NH National Guard Armory possibly the 197th Coast Artillery Regiment Antiaircraft24 as their summer encampment and training location The gun and machine gun battalions worked on night firing solutions at aerial balloon targets, tracked by the searchlight battalion25 In 1930, the Federal Census - New York, identified 133 people living on Fort Terry26 In 1930, the Justice Department conducted a study considering to build a 1000-cell prison on the island, but it deemed impractical, and was not done4 In 1932-34, the 3-inch gun batteries Hagner, Greble, and Campbell were disarmed9

World War IIedit

During World War II, the post was put to use as a training facility and supply depot5 and as a look-out for German U-boats and planes2728 On 7 December 1941, the fort was listed as manned by the 242nd Coast Artillery Regiment Harbor Defense of the Connecticut Army National Guard2930 Today, on the east side of Plum Island, a network of trenches remains from the area's tenure as an artillery post7 Fort Terry's guns were superseded by the pair of 16-inch batteries at Camp Hero in Montauk by 1944, so all except the four 3-inch guns of Batteries Eldridge and Dalliba were scrapped

During World War II the following batteries were built at Fort Terry:911

Name No of guns Gun type Carriage type Years active
Battery 217 2 6-inch gun M1 shielded barbette M4 1944-Never armed
AMTB 911 4 90 mm gun two fixed T3/M3, two towed 1943-1946
155mm 4 155 mm gun M1918 Panama mount 1942–1943, on Battery Steele

After World War II it was determined that gun coast defenses were obsolete In 1948, the fort was once again declared surplus and disarmed with all guns scrapped6

Animal disease centeredit

Beginning April 15, 1952, it served as a US Army Chemical Corps facility31 As such, it was under the control of the First Army It was small and focused primarily on anti-animal biological warfare BW research aimed at enemy livestock3132 Anti-animal agents rinderpest and foot and mouth disease were the main areas of research32 When the decision to use the Fort as a research facility was planned, it was envisioned that it would be staffed by less than 20 personnel31

Fort Terry's Chemical Corps installation covered three acres and included many of the amenities traditionally associated with US military installations31 Included on the grounds were various administration buildings, laboratories, a dock, a motor pool, a commissary, a hospital, a fire station, staff housing and animal housing31

When the Chemical Corps took control of Fort Terry, in 1952, it required the remodeling of 18 original buildings on post5 The Army had been developing plans for the animal disease facility at Fort Terry since 195117 A laboratory was planned for the circa 1911 Building 257, originally known as Combined Torpedo Storehouse and Cable Tanks building17 The lab was not completed by the time the Chemical Corps transferred the fort to the USDA but it and the rest of the remodeled buildings were eventually incorporated into the civilian facility5

In 1954, the US Department of Agriculture USDA took over the island,3133 and began to use it as the Plum Island Animal Disease Center It was then staffed by at least 9 military and 8 civilian employees31 Most of the disease research done by the USDA focused on biological warfare until Richard Nixon ended the US bio-weapons program in 19695 Most of the original buildings and batteries still stand today6 and in many cases have been incorporated in one way or another into the island's new role as a disease research center5


As of August 2001, the fort and all of Plum Island was listed for sale with the Government Accounting Office under FORT TERRY POW SUB-STA number C02NY0619 as accepting bids, with $12,000 "cost up to date" for historical clean up It is listed as "no further action", that is, no cleanup is needed under the FUDS cleanup program, no DOD-related hazards present34

In June 2003, the responsibility for Plum Island facilities was transferred from the USDA to the US Department of Homeland Security35

A 2008 DHS report recommended that the remnants of Fort Terry, its buildings and batteries, be opened to the public and preserved36 The Town of Southold, New York formed a Local Waterfront Revitalization Program LWRP which noted that many of the island's structures, including those at Fort Terry, could qualify for listing on the US National Register of Historic Places36

On 16 May 2016, the House unanimously passed “Save, Don’t Sell Plum Island”, Bill HR 1887 reversing the 2008 decision to put the island up for sale, which would lead to the destruction of the island, and lead to future development37

Biological warfare researchedit

The original anti-animal biological warfare research mission at Fort Terry was "to establish and pursue a program of research and development of certain anti-animal biological warfare agents"31 The first agent that was a candidate for development was foot and mouth disease FMD31 Besides FMD, five other top secret BW projects were commissioned on Plum Island38 The other four programs researched included Rift Valley fever RVF, rinderpest, African swine fever, and a slew of miscellaneous exotic animal diseases38 Among the miscellaneous diseases were 1139 other animal pathogens31 Shortly before the handover of the facility to the Department of Agriculture in 1954, Fort Terry's mission was altered The number of pathogens studied was reduced to two, rinderpest and FMD, and the mission was changed to "defensive" research of those two diseases38

See alsoedit

  • Building 101
  • Building 257
  • Fort Detrick
  • List of forts in the United States
  • Plum Island Animal Disease Center
  • Seacoast defense in the United States
  • United States Army Coast Artillery Corps


  1. ^ Alexandra Cella, “An Overview of Plum Island: History, Research and Effects on Long Island,” Long Island Historical Journal 16, no1-2 2003- 4: 176-181
  2. ^ Plum Island Case Statement at HuntingtonAudobonorg
  3. ^ a b Bleyer, Bill "Plum Island Animal Disease Center", from Newsday, via The Baltimore Sun, April 26, 2004, accessed January 10, 2009
  4. ^ a b "USCG Aids to Navigation Team, Long Island Sound" 
  5. ^ a b c d e f g h i Cella, Alexandra "An Overview of Plum Island: History, Research and Effects on Long Island", Long Island Historical Journal, Fall 2003/Spring 2004, Vol 16, Nos 1 and 2, pp 176-181 194-199 in PDF, accessed January 10, 2009
  6. ^ a b c "Fort Terry", New York State Military Museum and Veterans Research Center, NYS Division of Military and Naval Affairs, accessed January 9, 2009
  7. ^ a b c d Grossman, Karl "Target: Plum Island", The New York Times, September 11, 2005, accessed January 10, 2009
  8. ^ Congressional serial set, 1900, Report of the Commission on the Conduct of the War with Spain, Vol 7, pp 3778–3780, Washington: Government Printing Office
  9. ^ a b c d e f Fort Terry at FortWikicom
  10. ^ "Fort Terry at NY State Military Museum" 
  11. ^ a b c "New York Forts at American Forts Network: page 8" 
  12. ^ Plum Island topo map at Topozonecom
  13. ^ Lineage and Honors, 1/5 Field Artillery Regt
  14. ^ Fourth Regt of Artillery at historyarmymil
  15. ^ Justin Dimick
  16. ^ "James Dalliba Cullum's Register 61" 
  17. ^ a b c 1669-2003: A Partial History of Plum Island", United States Animal Health Association Newsletter, Vol 30, No 4, October 2003, pp 5, 26, accessed January 10, 2009
  18. ^ "Fort Terry - Plum Island Railway - Military Railroads of the New York Metropolitan Area" 
  19. ^ brown, bob "USArmy Air Defense Artillery Brigades Patches History Page 1" 
  20. ^ "Error" 
  21. ^ Coast Artillery Journal, April 1930 at Sill-wwwarmymil
  22. ^ Berhow, p 208
  23. ^ History of the Coast Artillery Corps in WWI
  24. ^ Stanton, p 466
  25. ^ "A History of Portsmouth Armory" 
  26. ^ "1930 Census :: FREE 1790-1930 Census Resources for Genealogy & Family History" 
  27. ^ "Page Not Found : USDA ARS" 
  28. ^ "What’s Ahead for Plum Island" The New York Times 25 January 2009 
  29. ^ "United States Army, Dec 7 1941" 
  30. ^ Stanton, pp 456, 470
  31. ^ a b c d e f g h i j Wheelis, Deadly Cultures, p 225-228
  32. ^ a b Chauhan, Sharad S Biological Weapons, Google Books, APH Publishing Corporation, 2004, p 197, ISBN 8176487325
  33. ^ Pg 13132 Federal Register / Vol 75, No 52 / Thursday, March 18, 2010 / Notices
  34. ^ New York: Properties Identified for Potential Inclusion in FUDS Cleanup ProgramGovernment Accounting Office nd retrieved 25 May 2016
  35. ^ "Combating Bioterrorism: Actions Needed to Improve Security at Plum Island Animal Disease Center", General Accounting Office, September 19, 2003, accessed January 10, 2008
  36. ^ a b "National Bio and Agro-Defense Facility Environmental Impact Statement - Scoping Report", Department of Homeland Security, February 2008, pp 3-8 to 3-9 pp 27-28 in PDF, accessed January 10, 2009
  37. ^ Mike Shelter 21 May 2016 "Congress Votes to Protect Plum Island! by" New York League of Conservation Voters Retrieved 25 May 2016 
  38. ^ a b c Carroll, Michael C Lab 257: The Disturbing Story of the Government's Secret Plum Island Germ Laboratory, Google Books, HarperCollins, 2004, pp 45-48, ISBN 0060011416
  39. ^ pathogens These were Blue tongue virus, Bovine influenza, Bovine virus diarrhea BVD, fowl plague, goat pneumonitis, mycobacteria, "N" virus, Newcastle disease, sheep pox, Teschers disease, and vesicular stomatitis See, Wheelis, p 226
  • Berhow, Mark A, Ed 2015 American Seacoast Defenses, A Reference Guide, Third Edition McLean, Virginia: CDSG Press ISBN 978-0-9748167-3-9 
  • Lewis, Emanuel Raymond 1979 Seacoast Fortifications of the United States Annapolis: Leeward Publications ISBN 978-0-929521-11-4 
  • Stanton, Shelby L 1991 World War II Order of Battle Galahad Books ISBN 0-88365-775-9 
  • Wheelis, Mark, et al Deadly Cultures: Biological Weapons Since 1945, Google Books, Harvard University Press, 2006, ISBN 0674016998

Coordinates: 41°10′48″N 72°11′42″W / 4118000°N 7219500°W / 4118000; -7219500

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