3rd U.S. Artillery
| 3rd Air Defense Artillery Regiment | |
|---|---|
 |
|
| Active | 1821 |
| Country |
 United States
|
| Branch |
 United States Army
|
| Type | Air defense artillery |
| Motto(s) | NON CEDO FERIO (yield not, strike). |
| Commanders | |
| Notable commanders |
Braxton Bragg Walker Keith Armistead |
| Insignia | |
| Distinctive unit insignia |  |
The 3rd Air Defense Artillery Regiment is an air defense artillery regiment of the United States Army first formed in 1821 as the 3rd Regiment of Artillery.
Constituted 1 June 1821 in the Regular Army as the 3rd Regiment of Artillery and organized from existing units with headquarters at Fort Washington, Maryland
Twelve batteries of the 3rd US Artillery served in the American Civil War.
Four batteries of the Third U.S. Artillery were assigned to Fort Jefferson, Florida in 1869.
Regiment broken up 13 February 1901 and its elements reorganized and redesignated as separate numbered companies and batteries of the Artillery Corps.
Reconstituted 1 July 1924 in the Regular Army as the 3rd Coast Artillery (Harbor Defense) (Type B) and organized (less Batteries C, F, and G) with headquarters and Batteries A & B at Fort MacArthur, California in the Harbor Defenses of Los Angeles. The regiment was organized by redesignating the 25th, 26th, 27th, 28th, 31st, 34th, 35th, and 36th companies of the Coast Artillery Corps (CAC). Batteries A, B, D, and E carried the lineage and designations of the corresponding batteries in the old 3rd Artillery. HHB 2nd Bn and Btry D at Fort Rosecrans, CA (HD San Diego) (Btry C inactive), and HHB 3rd Bn and Btry E at Fort Stevens, Oregon (HD Columbia River) (Btrys F & G inactive).
Batteries A and B inactivated 1 March 1930 at San Pedro and Fort MacArthur, California, respectively; Batteries A and F activated 1 July 1939 at Fort MacArthur, California, and Fort Stevens, Oregon, respectively; Battery D inactivated 1 February 1940 at Fort Rosecrans, California (replaced by Battery A, 19th Coast Artillery), with Batteries E & F inactivated at Fort Stevens, Oregon (they became Batteries A & B, 18th Coast Artillery); Battery B activated 1 July 1940 at Fort MacArthur, California; Batteries C, D, E, and F activated 2 December 1940 at Fort MacArthur, California; Batteries B & D exchanged designations mid-December 1940; Battery G (searchlight battery) activated 1 June 1941 at Los Angeles, California; Battery G inactivated 29 August 1941 at Los Angeles, California; Battery G activated 14 February 1942 at Fort MacArthur, California; Batteries C & D exchanged designations 1 October 1942.
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Wikipedia