TABLE OF CONTENTS 



Page 



List of Plates vii 



Foreword by Vice Admiral W. H. P. Blandy, U.S.N ix 



Chapter 1. Why Operation Crossroads! 1 



2. Early Problems 16 



3. Plans and Planners 27 



4. Technical Offensive 46 



5. Scientific Offensive 57 



6. Bikini Overture 89 



7. Test A. : Explosion in Air 104 



8. Test B. : Underwater Explosion 145 



Appendix 1. Organization Charts 173 



2. List of Principal Participating Officials 176 



3. Joint Crossroads Committee 181 



4. The Evaluation Board 182 



5. The President 's Evaluation Commission 183 



6. United Nations Observers 184 



7. Congressional Observers 185 



8. Support Vessels 186 



9. Target Vessels, Test A 190 



10. Preliminary Statement by the Evaluation 



Board on Test A 192 



11. Preliminary Statement by the Evaluation 



Board on Test B 195 



12. Preliminary Statement by the Evaluation 



Commission on Test A 200 



13. Preliminary Statement by the Evaluation 



Commission on Test B 202 



14. Test C (Cancelled) 205 



15. Chronology of Atomic Bomb Detonations 207 



Index 209 



