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

• 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, US 1st Coast Artillery Group

• Remainder of regiment as the 1st Coast Artillery Battalion

• US 1st Coast Artillery Battalion disbanded 1 February 1946 at Fort Sherman, Canal Zone

• Reconstituted 21 June 1950 in the Regular Army as the US 1st Coast Artillery Regiment to consist of the 1st and 2d Battalions; 1st and 2d Battalions concurrently redesignated as the US 1st Antiaircraft Battalion and US 54th Antiaircraft Battalion, respectively.