The Washington Navy Yard is a historic naval installation located in Washington, D.C. Established in 1799, it serves as the oldest naval facility in the United States. The yard plays a crucial role in supporting the U.S. Navy's operations and is home to various offices, research facilities, and the Naval History and Heritage Command. The Navy Yard is situated along the Anacostia River and covers approximately 66 acres. It features several significant buildings, including the Admiral's House and the Naval Museum. The site is also known for its role in naval shipbuilding and repair throughout American history.