The Bureau of Medicine and Surgery (BUMED) is an agency of the United States Department of the Navy that manages health care activities for the United States Navy and the United States Marine Corps. BUMED operates hospitals and other healthcare facilities as well as laboratories for biomedical research, and trains and manages the Navy's many staff corps related to medicine. Its headquarters is located at the Defense Health Headquarters in Fairfax County, Virginia. BUMED has 41,930 medical personnel and more than a million eligible beneficiaries.

The Old Naval Observatory is a historic site at 23rd and E Street in Northwest, Washington, D.C. It is where the United States Naval Observatory was located from 1844 to 1893, when it moved to its present grounds. The original observatory building, built 1839-40, still stands, and is a designated National Historic Landmark. The Washington meridian of 1850 passes through the Observatory. The property for many years housed the Navy's Bureau of Medicine and Surgery, which moved out in 2012. The property has been taken over by the State Department.