Member Directory The AAS maintains a membership directory to facilitate member interaction and to support the conduct of official Society business. Search directory for: Filter Results By Clear Filters Type of Science State Facet State City A-1220 Vienna (1) Bethesda (1) Cambridge (1) Greenbelt (1) Huntsville (1) Laurel (1) Newark (1) Pittsburgh (1) South Pasadena (1) Facet City Membership Class Facet Membership Class Division Facet Division