The National Capital Wing of the Civil Air Patrol (CAP) is the highest echelon of Civil Air Patrol in the district of Washington, D.C. The National Capital Wing consists of over 500 cadet and adult members at over eight locations across the District of Columbia; the City of Alexandria, Arlington County and Fairfax County in Northern Virginia; and Prince George's County, MD.

Joint Base Andrews (JBA) is a United States military facility located in Prince George's County, Maryland. The facility is under the jurisdiction of the United States Air Force 316th Wing, Air Force District of Washington (AFDW). The base was established in 2009, when Andrews Air Force Base and Naval Air Facility Washington were merged.