The 60th Air Defense Artillery Regiment is an air defense unit of the United States Army.
The 52nd Air Defense Artillery Regiment is an air defense artillery regiment of the United States Army first organized in 1917 as a railway gun unit. It continued in that role unit 1943, when the regiment was broken in separate railway gun battalions, and in the following year the units were reorganized and redesignated as field artillery.
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 29th Field Artillery Regiment is a field artillery regiment of the United States Army, first constituted in 1918 in the National Army (USA).
The 55th Air Defense Artillery Regiment was an Air Defense Artillery regiment of the United States Army that was first constituted in 1917 in the Regular Army. It was previously the 55th Artillery, U.S. Army Coast Artillery Corps. (CAC)
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 92nd Coast Artillery Regiment was a Coast Artillery Corps regiment in the United States Army, part of the Philippine Scouts. It was a Regular Army unit composed primarily of Filipino enlisted men and US officers.
The 56th Air Defense Artillery is a training regiment in the United States Army.
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 12th Coast Artillery Regiment was a Coast Artillery regiment in the United States Army, constituted in the Regular Army on 27 February 1924. It served in the Harbor Defenses of the Chesapeake with headquarters at Fort Monroe, Virginia from 1924 to 1932. At that point, the regiment effectively became the 2nd Coast Artillery; on paper the 2nd Coast Artillery was transferred from the Harbor Defenses of Cristobal in the Panama Canal Zone and the 12th was transferred to that harbor defense. However, the 12th was never activated again, and on 19 June 1944 was disbanded.
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 15th Coast Artillery was a Coast Artillery Corps regiment in the United States Army. Along with the 16th Coast Artillery, it manned the Harbor Defenses of Pearl Harbor and other fortified sites on Oahu, Hawaii from 1924 until broken up into battalions in August 1944 as part of an Army-wide reorganization.
The 51st Coast Artillery Regiment was a Coast Artillery regiment in the United States Army.
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 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 197th Field Artillery Regiment is a regiment in the New Hampshire Army National Guard.
United States 