Smithsonian Police is a national labor union of law enforcement officers and agents. Smithsonian Police The Smithsonian Institution Office of Protection Services is the guard force of the Smithsonian Institution. It is a federal guard force consisting of 850 officers with very limited special police authority tasked with protecting visitors, staff, property, and grounds of the federally owned and managed Smithsonian Institution museums and research centers in Washington, D.C., New York City, at the 2,800 acre Smithsonian Environmental Research Center in Maryland as well as oversight of the security operations at the Smithsonian Tropical Research Institute in Panama. According to a 1978
Smithsonian American Art Museum shown in the Renwick Gallery. The museum provides electronic resources to schools and the public through its national education program. It maintains seven online research databases with more than 500,000 records, including the Inventories of American Painting and Sculpture that document more than 400,000 artworks in public and private collections worldwide. Since 1951, the museum has maintained a traveling exhibition program; as of 2013, more than 2.5 million visitors have seen the exhibitions. The Smithsonian American Art Museum has had many names over the years—Smithsonian Art Collection, National Gallery of Art (not to be confused with the current National Gallery