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 (-) Heliophy (1) State (-) VA (1) Facet State City Alexandria (2) Arlington (1) Fairfax (1) Greenbelt (1) Washington (6) (-) Springfield (1) Facet City Membership Class Full Member (1) Facet Membership Class Division Facet Division Showing 1-1 of 1 results John Cook Full Member Affiliation Naval Research Lab (ret) State/Province VA Country United States