isea2 THE SECRETARY OF DEFENSE WASHINGTON, THE DISTRICT OF COLUMBIA in whe 6 ss S 8 é RCo Dr. Joshua Lederberg President The Rockefeller University Suite 115 1230 York Avenue New York, New York 10021 Dear Dr. Lederberg: As your term as a Member-at-Large of the Defense Science Board comes to a close, I would like to take this opportunity to thank you personally for your service. The Board fills an important role in providing me with independent, objective advice that greatly assists in our responsibility to assure a sound defense program. I appreciate the time and effort you have so generously given to help the Department of Defense in its mission and am very thankful for it. Your services as a consultant to the Technological and Operational Surprise Task Force remain vital, and I look forward to receiving your continuing support in the challenging days that lie ahead. Again, my sincere thanks for your outstanding efforts in Support of the Defense Science Board. Sincerely, [_2€ 7 Abproen ap Carrettead