B SON vettatonelCOIIED.. TA twee TABLE OF CONTENTS Letter of Transmittal fate fuena Summary 2 4 a A. Capabilities of the Present U. S. Long Range Detection System The Technical Feasibility of Monitoring A Test Suspension i q : 8 t 10 d. 1. U. S. and USSR Nuclear Warhead Capabilities 5 3. AICBM Warheads 7 2. Asymmetries in U. S. and USER Nuclear Warhead Needs 4. Very Small Warheads 5. Boosted Warheads 6. Summary of Relative Position 7. Clean Weapons 8. Military Effects of A Test Cessation 9. Effects on Weapons Laboratories 10. Soviet Gains Through Espionage 6 f 10 10 i r . | C. The Losses to the U. S. and to the USSR from Cessation of Nuclear Testing Table 1. U.S. and USSR Technical Capabilities in the Field of Nuclear Weapons Appendix A. Report on the Detection of Nuclear Tests-~Present and Potential Capabilities and Limitations for the Detection of Nuclear Tests, report by AFOAT-I1, U. S. Air Force — Appendix B. Detection of High Altitude Nuclear Tests, report by Hans A. Bethe shotsMSAKUBoars ' » us 4 Below the Earth's Surface Tests Conducted Outside the USSR Detection Net Risk of Detection Weapons Development Implications ne Rae. TEIN oeeR etRES FOSee pee oe 3. 4. 5. 6. 7. SEF i | eRe meat A yp el 1. At the Earth's Surface and at Low Altitudes 2. At Very High Altitudes Over the USSR and China Nb ww Nh B.