The 24th Field Artillery Regiment (Philippine Scouts) (24th FA (PS)) was a Philippine Scouts unit, part of the US Army's Philippine Division, formed in 1922 and active until April 1942. Antecedent units dated back to 1899.
The 43rd Philippine Scout Infantry Regiment was part of USAFFE's Philippine Division, during World War II.
The 14th Infantry Regiment is a United States Army light infantry regiment. It has served in the American Civil War, Boxer Rebellion, World War II, Korean War, Vietnam War, Operation Restore Hope, Operation Uphold Democracy, Operation Joint Guard, Operation Desert Storm, Operation Enduring Freedom, Operation Gothic Serpent, Operation New Dawn, Operation Resolute Support,Operation Iraqi Freedom, and Operation Inherent Resolve. The 14th Infantry Regiment did not take part in combat during World War I. It has also conducted peacekeeping and humanitarian missions in the Sinai Peninsula, Guantánamo Bay in Cuba, Bosnia, and Kosovo.
The 102nd Field Artillery Regiment is an inactive Field Artillery Regiment in the Massachusetts Army National Guard. Originally organized in 1786, the 102nd Field Artillery's predecessor units served in the Civil War, the Spanish–American War, and World War I. Units of the regiment served with the 26th Infantry Division during World War II and the Cold War.
The 35th Infantry Regiment ("Cacti") was created on 1 July 1916 at Douglas, Arizona from elements of the 11th, 18th and 22nd Infantry Regiments. The 35th served on the Mexico–US border during the First World War and was stationed at Nogales, Arizona in 1918. It fought a border skirmish on 27 August 1918 during the Battle of Ambos Nogales.
The 45th Infantry Regiment was a unit of the Philippine Scouts in the Philippine Division.
The Hawaiian Division was a division of the United States Army, dedicated to the defense of Hawaii. This division was named rather than numbered, as were the Philippine, Panama Canal and Americal Divisions. It was first activated under the peacetime Square Division Table of Organization and Equipment (TO&E) on 25 February 1921 as the Hawaiian Division using assets of the World War I era 11th Infantry Division. It, the Philippine Division, and the Americal Division were the last three U.S. Army divisions to be named rather than numbered. Joseph E. Kuhn, then in command of Schofield Barracks, oversaw the initial organization and employment of the division.
The 11th Infantry Brigade is an inactive infantry brigade of the United States Army. It was first formed as part of the 6th Division during World War I. It is best known for its service with the 23rd Infantry Division from 1967 through 1971 in the Vietnam War as a light infantry brigade. The brigade is known for its responsibility in the My Lai Massacre.
The Panama Canal Division was a unit of the United States Army, established in order to ensure the United States could adequately defend the Canal Zone in Panama. When it was authorized in 1920, similar divisions were organized to defend Hawaii and the Philippines.
The 21st Infantry Regiment ("Gimlet") is a United States Army infantry regiment. The 1st Battalion currently exists as part of 2nd Infantry Brigade Combat Team, 25th Infantry Division. The regiment fought in World War II, the Korean War and the Vietnam War, as well as Operation Iraqi Freedom. Task Force Smith, the first American unit to see action in the Korean War, was derived from the regiment's 1st Battalion.
The 9th Field Artillery Regiment is a field artillery regiment of the United States Army first formed in 1916. The regiment served in Hawaii during World War I, 3rd, 4th, 7th, and 9th Divisions between the world wars, and with 3rd Infantry Division during World War II and Korea. Since 1957, the regiment has been a parent regiment under the Combat Arms Regimental System and the U.S. Army Regimental System, with regimental elements serving with the 3rd, 4th, 10th, 25th, 79th, 83rd, and 96th Infantry Divisions and various field artillery brigades and groups. The regiment's single active component, the 1st Battalion, 9th Field Artillery Regiment, is assigned to the 2nd Brigade Combat Team, 3rd Infantry Division and stationed at Fort Stewart, Georgia.
The 25th Field Artillery Regiment is a field artillery regiment of the United States Army, first constituted 5 July 1918 in the National Army (USA). Although the regiment did not see action during World War I, elements participated in World War II, Vietnam, Panama, the Gulf War, and the Global War on Terrorism. Currently the regiment one active battalion, a towed light artillery units equipped with the M119A3 105 mm howitzer and the M777A2 155 mm howitzer. The 5th Battalion is assigned to the 3rd Brigade Combat Team, 10th Mountain Division at Fort Johnson, Louisiana. The 4th Battalion was inactivated on 14 August 2014.
The 146th Field Artillery Regiment is a field artillery regiment of the Army National Guard first Constituted in 1886 as the 1st, and 2nd Regiments of Infantry.
The 62nd Infantry Regiment was a Regular Army infantry regiment in the United States Army.
The 324th Infantry Regiment was an infantry regiment of the United States Army first organized in August 1917 as part of the 81st Division, National Army. The 324th Infantry saw combat in the defense of the St. Die sector of Lorraine, and later took part in the closing stages of the Meuse-Argonne offensive of the First World War. The 324th Infantry was demobilized in June 1919, and subsequently reconstituted in the Organized Reserves in 1921, as part of the 81st Division. In 1942, the 324th Infantry was relieved from assignment to the 81st Division, allotted to the Army of the United States, and assigned to the 44th Infantry Division, a unit which fought as part of the 7th Army in France and Germany during World War II.
The 116th Field Artillery is a regiment of the Florida Army National Guard. Currently there are two battalions; 2-116th FA is fires battalion for the 53rd Brigade Combat Team, and 3-116th (HIMARS) is part of the 164th Air Defense Artillery Brigade, both of the Florida Army National Guard.
The XVI Corps was a corps-sized formation of the United States Army.
The 122nd Field Artillery Regiment is a field artillery regiment of the Illinois Army National Guard. The regiment's 2nd Battalion is the cannon battalion assigned to the 33rd Infantry Brigade Combat Team.
The 306th Infantry Regiment was a National Army unit first organized for service in World War I as part of the 77th Infantry Division in Europe. It later served in the Pacific Theater during World War II. Since then it has served as a training Regiment. In 1999, it was withdrawn from the Combat Arms Regimental System and redesignated as a non-branch regiment. The regiment's 1st, 2nd, 4th, and 5th battalions are stationed at Fort Stewart under the command of the 188th Infantry Brigade. The 3rd Battalion is inactive.
The 172nd Cavalry Regiment is an armored cavalry regiment of the Vermont Army National Guard, with one battalion currently active. First organized in 1861, the regiment has seen combat in the American Civil War, World War I, World War II, and the War on Terror. Originally an infantry regiment, elements of the unit were consolidated with an antiaircraft unit in 1959 and converted into an armored regiment. In 1964, the remainder of the 172nd Infantry was consolidated with the 172nd Armor, as an armored regiment. In 2007, elements became an armored cavalry regiment. In 1982, a new infantry unit designated the 172nd Infantry Regiment was organized in the Vermont Army National Guard, but it is not lineally related to the previous 172nd Infantry/Cavalry, sharing the numerical designation only for historical purposes.
United States 
United States Army 
