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 Baltimore (1) College Park (3) Laurel (3) Rockville (1) Silver Spring (1) Facet City Membership Class Div Affil - SPD (1) Full Member (23) Facet Membership Class Division Facet Division