Aberdeen Proving Ground, MD

Overview / Mission

The Aberdeen Proving Ground

Known as the "Home of Ordnance," Aberdeen Proving Ground (APG) is one of the Army's finest test, evaluation, research, development, engineering, and training installations in the world.

APG was established on October 20, 1917, Aberdeen was used for proof-testing field artillery weapons, ammunition, trench mortars, air defense guns, and railway artillery. The mission of the proving ground was later expanded to include the operation of an Ordnance training school and the developmental testing of small arms. Today, the U.S. Army Ordnance Center and School provides mechanical maintenance training for more than 20,000 U.S. and foreign personnel every year.

Mission; Aberdeen Proving Ground is where innovation and imagination protect, enable and sustain our Nation's Warfighters today and tomorrow.

Base Information

Edgewood area at Aberdeen Proving Grounds, Maryland.
Official Army Photo

The APG installation consists of two general areas that are separated by the waters of the Bush River. Its northernmost point is marked by the meeting of the Susquehanna River and the Chesapeake Bay. On the south, it is bordered by the Gunpowder River. The "southern" sector is commonly referred to as the Edgewood Area (EA) and the "northern" sector is generally known as the Aberdeen Area (AA).

Aberdeen Proving Ground occupies more than 72,500 acres in Harford County, Md. Its northernmost point is marked by the meeting of the Susquehanna River and the Chesapeake Bay. On the south, it is bordered by the Gunpowder River.

Aberdeen has excellent schools, many entertainment opportunities and sports facilities, 140 miles of picturesque shoreline, 6,600 acres of state parks, and close to Baltimore, Annapolis, Philadelphia, and Washington, D.C.

Base Directory

Population/Major Units Assigned

Sgts. 1st Class Clifton Smith (front) and Jerreyn McCarrol, ANCOC small-group leaders, attack a convoy with a simulated rocket-propelled grenade during warrior training at the Ordnance Mechanical Maintenance School's NCOA.
Official Army Photo

Population: More than 7,500 civilians work at Aberdeen Proving Ground, and more than 5,000 military personnel are assigned there. In addition, there are nearly 3,000 contractors and private business employees working on the proving ground. The post is Harford County's largest employer and one of the largest employers in the state of Maryland.

The post supports more than 16,000 military retirees and retiree family members.

Major Units Assigned

1st Area Medical Laboratory
20th Support Command (CBRNE)
22nd Chemical Battalion
Aberdeen Test Center
Army Evaluation Center
Army Materiel Systems Analysis Activity
Army Research Laboratory
The Survivability Lethality Analysis Directorate
Army Research, Development and Engineering Command
Corps of Engineers APG
Other Tenant Commands

Visiting / Living On Base

Armor Vehicle Testing

Temporary Lodging is provided at Aberdeen Proving Ground at The Swan Creek Inn, located on Bel Air Street. The Swan Creek Inn is open 24 hours a day, 7 days a week.

The Aberdeen Proving Ground Lodging Facility has also contracted with several local, name-brand hotels to provide rooms for overflow personnel. These hotel contracts provide for lower than normal rates for military personnel and families.

Army lodging offers many amenities, including full housekeeping service, vending machines, laundry room, billiards room, exercise room, and continental breakfast. They are conveniently located from shopping, leisure activities, historical Havre de Grace, Baltimore, and Washington D.C.


All military personnel reporting to Aberdeen Proving Ground are required to process through the Housing Office, before entering into any agreement to rent or purchase off-installation housing. Current DOD directives make this mandatory.

Harford County has several incorporated municipalities which offer many housing options including single family, townhomes, apartments and condos with convenient commutes to Aberdeen Proving Ground.

Barrack space is available for permanent party single soldiers. Geographical bachelors (married service members who have elected not to bring their families) are not housed in permanent party barracks because of limited space. Several buildings have been set aside to house these service members and rooms are assigned on a space available basis.


More than 40,500 students are enrolled in Harford County's Public Schools. The school system has the seventh largest student enrollment of the 24 public school systems in Maryland. Presently there are 32 elementary schools, 8 middle schools, 8 high schools, and the John Archer School. Aberdeen Proving Ground is located in the Harford County School District, and children residing on post will either attend Roye-Williams Elementary, Aberdeen Middle School, or Aberdeen High School as there are no schools in either Aberdeen Proving Ground or the Edgewood Area.

School Liason Officer contact/Information

The Board of Education determines the area of residence which school a student will attend. The residence of the student is considered the same as the residence of his parent or legally appointed guardian. Any exceptions to this policy must be approved by the Board of Education.

Full Day Care

The  Child Development Centers are open for full daycare Monday - Friday 6:15 a.m. - 5:30 p.m. for children 6 weeks to 5 years.

Hourly Care

The Hourly Care program is designed to meet the needs of parents who need child care on an intermittent basis.

Kindergarten and Pre-School Care

The Centers provide before and after school care for children attending full-day Kindergarten or part-day pre-school at Roye-Williams Elementary in the Aberdeen area and Edgewood Elementary in the Edgewood Area.

Family Child Care (FCC)

Family Child Care is available at certified provider's homes to provide small group care in a home setting.

Medical Care

Aberdeen Proving Ground has one hospital and one dental clinic. There is a Troop Medical Clinic on Edgewood, but there are no currently no dental facilities.

The Walter Reed Health Care System provides health care for more than 150,000 Soldiers, other service members, family members, and retirees in the National Capital Area. Its hub is the Walter Reed Army Medical Center. The system includes 10 major treatment facilities in the tri-state area, including Kirk Army Medical Center located on Aberdeen Proving Ground.

Kirk Army Health Clinic at Aberdeen Proving Ground is one of Walter Reed's 10 major treatment facilities. The clinic is an ambulatory care facility and does not have an emergency room. Life threatening conditions brought to the Clinic are stabilized for transport to a local hospital. Upper Chesapeake Medical Center in Bel-Air and Harford Memorial Hospital in Havre de Grace both have emergency rooms and are located a short drive from Aberdeen Proving Ground.