United States Naval Academy Alumni Association (class of 1958) United States Naval Institute Institute of Electrical and Electronics Engineers (IEEE) American Institute of Aeronautics and Astronautics (AIAA) Association for Computing Machinery National Audubon Society He was a fellow of the American Astronautical Society and former president of the Houston Audubon Society.
United States Naval Academy Alumni Association (Τάξη του 1958) United States Naval Institute Institute of Electrical and Electronics Engineers (IEEE) American Institute of Aeronautics and Astronautics (AIAA) Association for Computing Machinery National Audubon Society Ήταν συνεργάτης της Αμερικανικής Αστρονομικής Εταιρείας και πρώην πρόεδρος της Ένωσης Audubon του Χιούστον.