Southern MD Facility, MD

ZIP code 20797 encompasses the Naval Air Station Patuxent River in St. Mary's County, Maryland. This military base is a key center for naval aviation research, development, testing, and evaluation. The facility is home to various important landmarks, including the Atlantic Test Ranges, the Air Test and Evaluation Squadron Nine (VX-9), and the U.S. Naval Test Pilot School, making it a crucial hub for naval aviation operations.