warts ~~, s Previous page was blank, therefore not Tilmed. FOREWORD This report is one of the reports presenting the results of the 34 projects participating in the Military Effects Tests Progran of | Operation CASTLE, which included six test detonations. For readers interested in other pertinent test information, reference is made to WT-934, Summary ..eport of the Commander, Task Unit 13, Programs 1-9, Military Effects Program. This summary report includes the following information of possible general interest. a. An over-all description of each detonation. including yield, height of burst, ground zero location, time of detonation, ambient atmospheric conditions at detonation, ete., for the six shots. b. Discussion of all project results. c. A summary of each project, including objectives and results. d. A somplete listing of all reports covering the Military Effects Tests Program. ACKNOWLEDGMENTS Planning of Project 3.3 for Operation CASTLE was - one by A. A. Brown, Division Chief, Fred M. Sauer, Theodore G. Storey, and W. L. Fons, Project Officer. Stenographic work during the planning of the project and in preparation of the report was performed by Flora M. Doyle. The authors wish to acknowledge the assistance rendered by personnel of the Department of Defense, the Director of Program 3, and others at the Pacific Proving Grounds for their help to achieve the objectives of the project. Pressure measurements in the tree stands were made by Ballistic Research Laboratories. Preshot and pestshot documentary » wat @ QP oO ang | QV Ab itt Ww aed { a wa m wn so) my still photography was made by Task Unit 8.