The 28th Infantry Division ("Keystone") is a unit of the Army National Guard and is the oldest division-sized unit in the Department of Defense. Some of the units of the division can trace their lineage to Benjamin Franklin's battalion, The Pennsylvania Associators (1747–1777). The division was officially established in 1879 and was later redesignated as the 28th Division in 1917, after the entry of America into the First World War. It is today part of the Pennsylvania Army National Guard, Maryland Army National Guard, Ohio Army National Guard, and New Jersey Army National Guard.
The Pennsylvania Army National Guard, abbreviated PAARNG, is part of the United States Army National Guard and is based in the U.S. Commonwealth of Pennsylvania. Together with the Pennsylvania Air National Guard, it is directed by the Pennsylvania Department of Military and Veterans Affairs. The PAARNG maintains 124 armories and is present in 87 communities across the Commonwealth.
The 112th Infantry Regiment, also known as the Sixteenth Pennsylvania, is a unit in the Pennsylvania National Guard which can trace its lineage back to before the American Civil War.
The 37th Infantry Brigade Combat Team (Buckeye) is an infantry brigade combat team of the United States Army National Guard with the brigade headquarters, cavalry squadron, infantry battalion, field artillery battalion, engineer battalion, and support battalion stationed in Ohio, infantry battalion and military intelligence company stationed in Michigan, and a third infantry battalion stationed in South Carolina. The headquarters of the 37th IBCT traces its lineage and honors back to the headquarters of the 37th Infantry Division.
The District of Columbia Army National Guard is the Army component of the District of Columbia National Guard. As the District of Columbia is a federal district and not a state, the guard is placed under the authority of the President of the United States, unlike most other National Guard units which are headed by their state's governor.
The 142nd Field Artillery Regiment is a United States Army field artillery regiment currently represented in the Arkansas Army National Guard by the 1st Battalion, 142nd Field Artillery, headquartered in Bentonville, Arkansas; 2nd Battalion, 142nd Field Artillery, headquartered in Barling, Arkansas; and Battery F, 142nd Field Artillery stationed in Fayetteville, Arkansas, elements of the 142nd Field Artillery Brigade which is headquartered in Fayetteville, Arkansas. The regiment was created in 1917 from the former 2nd Arkansas Infantry. The 142nd Field Artillery shipped to France during World War I but did not see combat before the cessation of hostilities. The regiment was activated for World War II, but its battalions were redesignated as separate battalions, 1–142nd became the 936th Field Artillery Battalion, the 2–142nd became the 937th Field Artillery Battalion. The battalion's served throughout the European Theater of Operations. The battalions were activated again for the Korean War and served throughout the war. Following the Korean War, the separate battalions resumed their former designations of 1–142nd FA and 2–142nd FA. The 142nd Field Artillery Brigade, including both battalions, was activated for Operation Desert Storm. Elements of the 142nd Fires Brigade have been activated for service in Operation Noble Eagle and Operation Iraqi Freedom. The 142nd Fires Brigade was instrumental in support and recovery operations located in New Orleans, Louisiana after hurricanes Katrina and Rita devastated the Gulf Coast.
The 109th Infantry Regiment is a parent infantry regiment of the United States Army, represented in the Pennsylvania Army National Guard by the 1st Battalion, 109th Infantry, part of the 2nd Brigade Combat Team, 28th Infantry Division.
The 111th Infantry Regiment, was originally the Pennsylvania Militia or "Associators" that fought in the American Revolution, composed of civilian males from the citizenry of Pennsylvania. It is one of several National Guard units with colonial roots and campaign credit for the War of 1812. The Pennsylvania Militia often fought in conjunction with General Washington and the Continental Army along the Delaware River. Today the idea of a Pennsylvania Militia is represented in the U.S. Army by 1st Battalion, 111th Infantry assigned to the Pennsylvania Army National Guard's 56th Stryker Brigade Combat Team, 28th Infantry Division. The regiment, founded as the Associators by Benjamin Franklin in Philadelphia, Pennsylvania on 21 November 1747, is the oldest regiment in Pennsylvania.
The 103rd Armor Regiment is an armored regiment in the Pennsylvania National Guard first formed in 1941. Its legacy unit, 3rd Battalion, 103rd Armor, is a subordinate command of the 55th Heavy Brigade Combat Team, 28th Infantry Division.
The 160th Infantry Regiment is an infantry regiment of the United States Army. The 1st Battalion, 160th Infantry is a light infantry component of the 79th Infantry Brigade Combat Team (IBCT).
The 56th Stryker Brigade Combat Team (SBCT), 28th Infantry Division, also known as the Independence Brigade, is a brigade combat team of the Pennsylvania Army National Guard and has its headquarters located at Horsham Air Guard Station in Willow Grove, Pennsylvania.
The 185th Armor Regiment was an armor regiment of the United States Army consisting of soldiers from the California Army National Guard.
The 107th Cavalry Regiment, Ohio Army National Guard, is a parent regiment under the U.S. Army Regimental System, with headquarters at Hamilton, Ohio. It currently consists of the 2nd Squadron, 107th Cavalry Regiment, part of the 37th Infantry Brigade Combat Team (BUCKEYE), Ohio National Guard located throughout southwest Ohio.
The 213th Air Defense Artillery is a regiment in the Pennsylvania Army National Guard.
The 2nd Infantry Brigade Combat Team is a unit of the Pennsylvania Army National Guard’s 28th Infantry Division. 2nd Brigade's headquarters is in Washington, Pennsylvania, and the brigade also contains units from Ohio and Maryland.
The 55th Maneuver Enhancement Brigade is a maneuver enhancement unit aligned under the 28th Infantry Division of the Pennsylvania Army National Guard. The 55th MEB, like all MEBs, is a self-contained, modular, and multifunctional support brigade of the United States Army with an ability to plug into operational formations commanded by corps or division commanders, to support brigade combat teams once deployed, and to conduct tactical level tasks and support. MEBs are equipped to provide command and control for up to seven battalions that are capable of owning battlespace in combat. The 55th MEB was once the 55th Heavy Brigade Combat Team "strike brigade" subordinate to the 28th ID, as the 55th MEB is today. Its headquarters is in Scranton, PA.
The 107th Field Artillery Regiment is a Field Artillery Branch regiment of the United States Army. It has been affiliated with the Pennsylvania National Guard since its formation. It appears that the regiment last formally came into existence in June 1959, when the 107th Field Artillery Battalion was reorganized as the new Regiment's 1st Battalion in line with the Pentomic (ROCID) reorganization going on at that time.
The 103rd Field Artillery Regiment is a regiment of the United States Army. The only currently existing component is the 1st Battalion, 103rd Field Artillery Regiment, a unit of the Rhode Island National Guard. The regiment was originally constituted in 1917, but it descends from predecessor units dating back to 1801.
The 110th Information Operations (IO) Battalion was federally recognized as an organization on April 1, 2008. Following the inactivation of the 2d Battalion, 110th Field Artillery Regiment, the 110th IO battalion was given the honor to carry the 2d Battalion 110th Field Artillery lineage which dates back to World War I. The 110th IO FSB was designed to provide trained, deployable, culturally aware, and regionally focused information operations teams to perform tactical strategic-theater IO tasks.
The 117th Field Artillery Regiment is a field artillery regiment of the Alabama Army National Guard. The regiment's 1st Battalion is a cannon battalion assigned to the 142nd Field Artillery Brigade.
United States 
