The 4th Air Defense Artillery Regiment was constituted 1 June 1821 in the Regular Army as the 4th Regiment of Artillery and organized from new and existing units with headquarters at Pensacola, Florida. As a result of the division of the Artillery Corps into Coast and Field Artillery units, the Regiment was broken up 13 February 1901, and its elements reorganized and redesignated as separate numbered companies and batteries of the Artillery Corps.
The 1st Air Defense Artillery is an air defense artillery regiment in the United States Army first formed as a field artillery unit in 1821.
The 11th Coast Artillery was a coast artillery regiment in the United States Army, first constituted in the Regular Army on 27 February 1924. It primarily served as the Regular Army component of the Harbor Defenses of Long Island Sound, New York from 1924 through 1944, when it was relieved and disbanded as part of an Army-wide reorganization.
The 5th Air Defense Artillery Regiment is an Air Defense Artillery regiment of the United States Army, first formed in 1861 in the Regular Army as the 5th Regiment of Artillery.
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.
The 7th Air Defense Artillery Regiment is an air defense artillery regiment of the United States Army, first constituted in the Regular Army as the 7th Regiment of Artillery on 8 March 1898. The 6th and 7th U.S. Artillery Regiments were constituted on 8 March 1898, three weeks after the explosion of USS Maine in Havana, Cuba on 15 February 1898, as the United States' declaration of war on Spain and commencement of the Spanish–American War seemed imminent.
The 6th Air Defense Artillery Regiment is an air defense artillery regiment in the United States Army, first formed in 1898 as the 6th Regiment of Artillery. The 6th and 7th U.S. Artillery Regiments were constituted on 8 March 1898, three weeks after the explosion of the USS Maine in Havana, Cuba on 15 February 1898, as the United States' declaration of war on Spain and commencement of the Spanish–American War seemed imminent.
The 59th Coast Artillery Regiment, later the 59th Air Defense Artillery Regiment, was a regiment in the United States Army. It served as a heavy artillery regiment in France in World War I, and was in the Battle of Corregidor, Philippine Islands, in World War II.
The 8th Coast Artillery Regiment was a Coast Artillery Corps regiment in the United States Army, which garrisoned the Harbor Defenses of Portland, Maine 1924–1944, and the Harbor Defenses of Portsmouth, New Hampshire 1924–1940.
The 9th Coast Artillery Regiment was a Coast Artillery regiment in the United States Army.
The 10th Coast Artillery Regiment was a Coast Artillery regiment in the United States Army. It primarily served as the Regular Army coast artillery component of the Harbor Defenses (HD) of Narragansett Bay, Rhode Island from 1924 through 1944, when it was relieved and disbanded as part of an Army-wide reorganization.
The 13th Coast Artillery Regiment was a Coast Artillery regiment in the United States Army. Elements of the regiment served during World War II in the Harbor Defenses of Pensacola, HD Key West, HD Galveston, HD Charleston, Temporary HD of New Orleans, and in Bora Bora in the South Pacific. The regiment was broken up and its elements redesignated on 31 August 1944 as part of an Army-wide reorganization.
The 14th Coast Artillery Regiment was a Coast Artillery regiment in the United States Army. It served as the Regular Army component of the Harbor Defenses (HD) of Puget Sound, Washington state from 1924 through October 1944, when it was broken up and disbanded as part of an Army-wide reorganization. The 248th Coast Artillery Regiment was the Washington National Guard component of those defenses.
The 53rd Coast Artillery Regiment was a Coast Artillery regiment in the United States Army. In World War I it was a railway artillery regiment in France. In World War II it was reactivated with mobile 155 mm guns.
The 62nd Air Defense Artillery Regiment is an Air Defense Artillery regiment in the United States Army. The lineages of some of the units that have been part of the 62nd Air Defense Artillery and its predecessors give the regiment campaign credit for the War of 1812.
The 63rd Coast Artillery was a Coast Artillery regiment in the United States Army. It was deactivated and broken up in 1943, with its last descendants inactivated in 1958.
The 64th Coast Artillery was a Coast Artillery regiment in the United States Army.
The 202nd Air Defense Artillery was an antiaircraft regiment of the Illinois Army National Guard.
The 251st Coast Artillery was a coast artillery regiment in the California National Guard, constituted in 1924 as a harbor defense regiment for the 9th Artillery District and re-designated in 1930 as an antiaircraft regiment. It served in World War II in that capacity.
The 429th Brigade Support Battalion is a combat service support battalion of the United States Army and the Virginia National Guard. It is part of the 116th Infantry Brigade Combat Team, Virginia Army National Guard.
