Portal:US Army Lineage and Honors/US 1st Coast Artillery Group


 * US 1st Coast Artillery Regiment broken up 1 November 1944 and its elements reorganized and redesignated as follows:


 * Headquarters and Headquarters Battery as Headquarters and Headquarters Battery, 1st Coast Artillery Group


 * Remainder of regiment as the US 1st Coast Artillery Battalion


 * Headquarters and Headquarters Battery, 1st Coast Artillery Group, reorganized and redesignated 2 January 1945 as Headquarters and Headquarters Battery, Harbor Defenses of Cristobal