15th Coast Artillery (United States)

December 2012 September 2026 15th Coast Artillery 15th Coast Artillery Rgt-15th Artillery Grp coa.jpeg Coat of arms United States 1912 United States Armed Forces Coast Artilliary Insignia.png Coast Artillery Corps United States Army 1918–1944 Harbor defense Harbor Defense Command Regiment Fort Kamehameha "Littore Sistimus" (Coastal System) Oozlefinch Attack on Pearl Harbor The 15th Coast Artillery was a Coast Artillery Corps regiment in the United States Army. Along with the 16th Coast Artillery, it manned the Harbor Defenses of Pearl Harbor and other fortified sites on Oahu, Hawaii from 1924 until broken up into battalions in August 1944 as part of an Army-wide reorganization.Stanton, p. 457 Lineage 1 Constituted as the 15th Artillery (Coast Artillery Corps) (C.A.C.) and organized October 1918 at Fort Crockett, Texas, but demobilized in November 1918. This was one of a number of Coast Artillery regiments mobilized to operate heavy and railway artillery on the Western Front in World War I, but the Armistice resulted in the dissolution of the 15th.Rinaldi, p. 159 Lineage 2 Constituted in the Regular Army 27 February 1924 as 15th Coast Artillery (Harbor Defense) (HD), and organized 1 July 1924 at Fort Kamehameha from the following Companies of the Coast Artillery Corps (CAC): 185th, 125th, 91st, 143rd, 184th, 86th, and 95th.Gaines, p. 11 only regimental Headquarters and Headquarters Battery (HHB) and Batteries A, B, and C activated. 2nd Battalion HHB, and Batteries G, H, and I, constituted 4 February 1932 but not activated. 1st and 2nd Battalion HHBs, and Batteries D, E, and G activated 1 August 1942. Battery F activated 22 May 1943 at Salt Lake, Hawaii,At or near Battery Burgess, an 8-inch naval turret used as coast defense.Battery Burgess at FortWiki.com Battery H activated same date at Fort Kamehameha. Regiment assigned to Central Pacific Base Command 31 January 1944. On 29 May 1944 15th CA assumed responsibility for Oahu's south shore defenses; 16th CA elements there transferred to 15th CA. Regiment disbanded on 15 August 1944 and broken up as follows: 15th Coast Artillery GroupStanton, p. 437 53rd Coast Artillery BattalionStanton, p. 485 54th Coast Artillery Battalion 15th CA Group and 53rd CA Battalion inactivated 10 April 1945; 54th CA Battalion inactivated 10 April 1946. In 1950 the 15th Coast Artillery Group was reconstituted and consolidated as the 15th Antiaircraft Artillery Group, with lineage inherited from the 15th Coast Artillery Regiment. Distinctive unit insignia Description A Gold color metal and enamel device 1 1/32 inches (2.62 cm) in height overall consisting of a shield blazoned: Gules, a chevron paly of eight Argent, of the field (Gules), Azure and repeated, the ordinary fimbriated Or. Attached below and to the sides of the shield a Gold scroll inscribed “LITTORE SISTIMUS” in Blue letters. Symbolism The shield is red for the Artillery and the chevron is in the colors of the old royal Hawaiian flag, which also appeared in the arms of the Coast Defenses of Pearl Harbor. The motto translates to “We Take Our Stand On The Shore.” Background The distinctive unit insignia was originally approved for the 15th Coast Artillery Regiment on 17 April 1925. It was redesignated for the 15th Artillery Group on 2 June 1966. Coat of arms Blazon Shield Gules, a chevron paly of eight Argent, of the field (Gules), Azure and repeated, the ordinary fimbriated Or. Crest On a wreath of the colors Or and Gules, a cannon palewise Gules, between two dolphins hauriant, dexter and sinister, Or, langued of the first. Motto: LITTORE SISTIMUS (We Take Our Stand On The Shore). Symbolism Shield The shield is red for the Artillery and the chevron is in the colors of the old royal Hawaiian flag, which also appeared in the arms of the Coast Defenses of Pearl Harbor. Crest The crest shows the big gun supported by the dolphins - the king of fishes - indicating the command of the coast. Background The coat of arms was approved for the 15th Coast Artillery Regiment on 16 April 1925. It was rescinded/cancelled on 26 December 1974. Campaign streamers World War II Central Pacific Decorations unknown See also Distinctive unit insignia (U.S. Army) Seacoast defense in the United States United States Army Coast Artillery Corps Harbor Defense Command References Berhow Mark A. American Seacoast Defenses, A Reference Guide Third McLean, Virginia CDSG Press 2015 978-0-9748167-3-9 Gaines, William C., Coast Artillery Organizational History, 1917-1950, Coast Defense Journal, vol. 23, issue 2 Rinaldi Richard A. The U. S. Army in World War I: Orders of Battle General Data LLC 2004 0-9720296-4-8 Stanton Shelby L. World War II Order of Battle Galahad Books 1991 0-88365-775-9 Williford Glen McGovern Terrance Defenses of Pearl Harbor and Oahu 1907-50 https://books.google.com/books?id=GnWHCwAAQBAJ&q=defenses+of+pearl+harbor Osprey Publishing 2003 978-1-8417657-2-3 Coast Artillery Journal, August 1923, pp. 132-135 Coast Artillery Journal, June 1927, pp. 543-544 http://www.tioh.hqda.pentagon.mil/Heraldry/ArmyDUISSICOA/ArmyHeraldryUnit.aspx?u=8219 15th Coast Artillery (dead link 18 September 2017) External links http://cdsg.org/wp-content/uploads/pdfs/FORTS/CACunits/CACinsignia.pdf Insignia of the Coast Artillery Corps Greg Hagg Bolling Smith Mark Berhow The Coast Defense Study Group, Inc. 18 May 2018 Official US Army lineage website for current units https://web.archive.org/web/20081208105426/http://www.history.army.mil/html/forcestruc/lh.html 8 December 2008 Forts in Hawaii at the Coast Defense Study Group website Forts in Hawaii at FortWiki.com American Forts Network, lists forts in the US, former US territories, Canada, and Central America June 2017 015 Category:Military units and formations disestablished in 1918 Category:Military units and formations disestablished in 1944 Category:Military units and formations established in 1918 Category:Military units and formations established in 1924 Category:Military units and formations in Hawaii