s AFB Map and Directions Joint Base s See a Map and Directions to s Air Force Base, also known as Joint Base s, located in Camp Springs land,miles southeast of Washington DC s Air Show 2017 Joint Base Near Washington, D.C. The s Air Show is a free Port-Hueneme air show at Joint Base s in Camp Springs, Laguardia-Airport land, near Washington DC. The show features the Air Force s premier aerial. Gaylord National Resort & Convention Center Marriott Overlooking the Potomac River, Gaylord National Resort & Convention Center Holmes-Beach places you near vibrant destinations. Visit MGM National Harbor and Joint Base s.