Walter Reed Army National Military Medical Center founded on November 11, 1940 (WRNMMC), formerly known as the National Naval Medical Center and colloquially referred to as the Bethesda Naval Hospital Bethesda, Walter Reed, or Navy Med, is a tri-service military medical center located in the community of Bethesda, Maryland, near the headquarters of the National Institutes of Health. It is one of the most prominent U.S. military medical centers in the Washington, D.C. metropolitan area and the United States, having served numerous U.S. presidents since the 20th century. In 2011, the Walter Reed Army Medical Center (WRAMC), named after yellow fever researcher Walter Reed, was combined with the National Naval Medical Center to form the tri-service Walter Reed National Military Medical Center. Before WWI the hospitals capacity was 80 patient beds. But during the war it grew to 2,500 in a matter of months. Through World War II, Korea, and Vietnam the facility treated hundreds of thousands of Soldiers. Today, surgical teams at WRAMC perform approximately 700 operations in 16 operating rooms annually. These operations range from open-heart surgeries to organ transplants. The hospital has a support staff of more than 600 staff physicians, 535 military and civilian registered nurses, more than 600 licensed professional nurses and other paraprofessionals in its department of nursing. Also located on the campus is the internationally known Armed Forces Institute of Pathology. Today this tri-service organization employs more than 800 people, including 250 pathologists, to help diagnose unusual or difficult cases. Area highlights include tours of the white house and the capital are given most days, the national archives, national air and space museum, washington monument, smithsonian museum, washington national cathedral, vietnam memorial, etc. Walter Reed National Military Medical Center serves more than 150,000 active and retired personnel from all branches of the military, admitting 16,000 patients a year. As a provider of tertiary (specialized) care and a referral center for the North Atlantic Regional Medical Command, Walter Reed offers a broad range of clinical, educational, and research opportunities. For instance, on an average day, over 6,000 radiographic, MRI and CAT procedures are performed, and over 4,000 meals are served.