JOHN C.BAKER is a Technology Policy Analyst at RAND, Arlington, Virginia. His work is concerned with the international security implications of commerical observation satellites and other dual-use space technologies. Among his earlier publications is the co-edited Commercial Observation Satellites: At the Leading Edge of Global Transparency.DAVID G. WIENCEK heads the consulting company, International Security Group, Inc., which specializes in international political risk assessments, East and Southeast Asian political-security affairs, Weapons of Mass Destruction and proliferation studies, and terrorism issues.Among his earlier writings is the co-edited Asian Security Handbook 2000.