56th Air Defense Artillery Regiment ( United States ) The 56th Air Defense Artillery is a training regiment in the United States Army . History . This number has had two lineages started under it . A 1917 unit that served in France during World War I , and the 506th Artillery ( AA ) CAC , which was renumbered in December 1940 . After the renumbering a separate lineage was again started for the 506th CA in 1943 . Lineage . Constituted 29 July 1921 in the OR as the 506th Artillery ( AA ) CAC and allotted to Sixth Corps Area . The 506th Arty was organized at LaCrosse , WI , in August 1922 and redesignated 506th CA ( AA ) Regt 20 February 1924 . Withdrawn from OR and allotted to RA as inactive 1 October 1933 . However , the inactivation was halted and the regiment was deployed to South America . HHB 2nd Bn , Btrys C & D , and detachments from Btrys A , B , E , & F were designated for Chile , Peru , and Venezuela . Half of the 2nd Bn HHB , Btry C , and a SL Section of Btry G departed Ft . Cronkhite 2 - 10 - 42 for New Orleans POE and Venezuela , arriving 3 - 2 - 42 . The other half of HHB 2nd Bn , Btry D , and 2nd Plt , Btry G , departed Ft . Cronkhite for Peru 2 - 18 - 42 via the San Francisco POE , arriving 3 - 2 - 42 . A provisional detachment of personnel from Btrys A , B , E , and F were attached to the 2nd Bn and deployed to Chile . Soon after the detached elements of the 56th CA has established themselves in South America , the decision was made 4 - 1 - 42 to transfer the personnel to newly reconstituted 58th CA ( 155mm ) Regt and transfer the components of the 56th CA in South America back to Ft . Cronkhite ( less personnel and equipment ) , where the 56th was being reorganized with new personnel . The remaining elements of the 56th CA Regt in HDSF continued to man 155 mm guns at Ft . Cronkhite and Drakes Bay . The regiment served in the Northern California Sector of the WDC until September , when 3rd Bn and Btry D of 2nd Bn , with 3rd Plt , Btry G , were assigned to Southern California Sector . The battalions of the 56th remained at Ft . Cronkhite during the summer of 1942 while being reorganized . The rebuilt 2nd Bn , Btrys C & D , remained at Ft . Cronkhite until the late summer of 1942 , when it was temporarily ordered to THD Grays Harbor , WA . On 9 - 27 - 42 , 2nd Bn ( less Btry D ) arrived at Westport , WA . Orders were received mid - September 1942 , to move 3rd Bn , 56th CA , ( Btrys E & F with Btry D attached ) to the Southern California Sector , WDC . On 10 - 1 - 42 , the reinforced 3rd Bn , 56th CA , was permanently reassigned to Southern California Sector . On 4 - 6 - 43 , HHB at Ft . Cronkhite was reassigned to the Southern California Sector as well . One detachment of HHB was assigned to 3rd Bn command post at Ventura , the other platoon to HD Los Angeles . On 1 - 11 - 44 , Southern California Sector ordered all elements of the regiment in the sector to Ft . Cronkhite . HHB , Btry G , and Medical Det . were ordered to Camp Cooke , CA , and disbanded 2 - 11 - 44 . At Ft . Cronkhite , 1st Bn was redesignated 44th CA Bn ( 155 mm ) , 2nd Bn as 45th CA Bn ( 155 mm ) , and 3rd Bn as 48th CA Bn , 1 - 22 - 44 . 57th Coast Artillery . A Gold color metal and enamel device 1 3 / 16 inches ( 3 . 02 cm ) in height overall consisting of a shield blazoned : Gules , four searchlight beams radiant from middle base Or ; on a chief Sable a winged projectile of the second . Attached below the shield a Gold scroll inscribed “ NIGHT HIDES NOT ” in Black letters . The shield is red for Artillery . The searchlight beams and the winged projectile denote the character of the parent organization ( 506th Coast Artillery ) ( AA ) , while the winged projectile on the black chief alludes to the motto “ Night Hides Not , ” signifying that the night does not hide the enemy from the artillery fire of 506th Coast Artillery , from which this unit descended . The distinctive unit insignia was originally approved for the 506th Coast Artillery ( AA ) , Organized Reserves on 12 March 1929 . It was redesignated for the 56th Coast Artillery on 30 October 1941 . It was redesignated for the 56th Field Artillery Battalion on 29 December 1950 . The insignia was redesignated for the 56th Artillery Regiment on 19 December 1958 . It was redesignated effective 1 September 1971 , for the 56th Air Defense Artillery Regiment . Gules , four searchlight beams radiant from middle base Or ; on a chief Sable a winged projectile of the second . On a wreath Or and Gules , on a mound Vert a hurst of five trees Proper , the holes interlaced with an arrow fesswise Or and issuant in base a trident of the first surmounting and interlacing a Torii Sable . Coat of Arms . Blazon . Motto NIGHT HIDES NOT . The shield is red for Artillery . The searchlight beams and the winged projectile denote the character of the parent organization ( 506th Coast Artillery ) ( AA ) , while the winged projectile on the black chief alludes to the motto “ Night Hides Not , ” signifying that the night does not hide the enemy from the artillery fire of 506th Coast Artillery , from which this unit descended . The crest commemorates the award of the Distinguished Unit Citation given the organization in World War II for Hurtgen Forest by the hurst of trees and the arrow . The trident and Torii allude to the Presidential Unit Citation ( Navy ) awarded the organization for action in Inchon during the Korean War . Background . The coat of arms was originally approved for the 506th Coast Artillery ( AA ) , Organized Reserves on 12 March 1929 . It was redesignated for the 56th Coast Artillery and amended to delete the crest of the Organized Reserves on 30 October 1941 . It was redesignated for the 56th Field Artillery Battalion on 29 December 1950 . The insignia was redesignated for the 56th Artillery Regiment on 19 December 1958 . It was amended to add the crest on 30 March 1966 . The coat of arms was redesignated effective 1 September 1971 , for the 56th Air Defense Artillery Regiment . Campaign streamers . World War II Korea Vietnam