Joel S. Kvitky received a Ph.D. degree in theoretical physics from UCLA in 1972. From 1972 to 1986, he analyzed radar and communications systems at R & D Associates in Marina del Rey, California. He served as Deputy Head of the Communications Department and of the Advanced Technology Division, and co-developed the Ground Wave Emergency Network, a long-wave strategic communications system sponsored by the US Air Force. Since 1986, he has been a Senior Scientist at RAND in Santa Monica, California, where he has had primary responsibility for the assessment of military and intelligence sensor systems, and their survivability against airborne and ground-based threats. His research interests include signal and image processing, remote sensing, and automatic target recognition.