The development and writing of this report presented considerable challenges in terms of both the study schedule and the need to avoid conveying sensitive . vulnerabilities to potential adversaries. Meeting both challenges has been difficult for the study committee and staff, but every effort was made to respond to the stated need of the Technology Warning Division of the Defense Intelligence Agency (DIA) for maximum openness. I wish to express my appreciation to the members of the committee for their contributions to the preparation of this report. The committee is also grateful to the staff of the Technology Warning Division of the DIA for its sponsorship and.