The Forest Glen Annex is a 136-acre U.S. Army installation in Silver Spring, Maryland. Since 1999, the Annex has been the site of the Walter Reed Army Institute of Research (WRAIR) and the Naval Medical Research Center. Fort Detrick assumed command of the Forest Glen Annex on October 1, 2008, though the two installations have separately functioning fire departments that are separated by 40+ miles. Within Montgomery County, the station in Forest Glen is identified as Station 54.