Fort Lesley J. McNair is a U.S. Army installation located in Washington, D.C. It serves as a key military base and is home to various military and government organizations, including the National Defense University. The fort is named after General Lesley J. McNair, who was a prominent figure during World War II. Established in 1791, Fort McNair has a rich history and has undergone several transformations over the years. It plays a vital role in training military leaders and supporting national defense initiatives. The fort's strategic location along the Potomac River enhances its significance within the military community.