held. At this meeting, each project officer presented the objec- tives and methods of his respective project or projects. From this presentation it was possible to discern the operational requirements remaining to be fulfilled for the programs and to initiate action for finalizing arrangements. Subsequent to this meeting, the basic research necessary for the document to describe the projects, the ONO Book, was begun. By the end of August, the combined experimental programs of ‘DOD, LASL, and UCRL were twenty in number and were as follows: Task Unit 13 - DOD Programs. (Col. H. K. Gilbert, USAF; Capt. N. E. Kingsley, USN) Program 1. Blast and Shock Measurements. Program 2. Nuclear Effects. Program 3. Structures. Program 6. Tests of Service Equipment and Operation. Program 7. Long Range Detection. Program 9. Supporting Measurements. Task Unit 1 + LASL Programs. (Dr. R. L. Aamodt) . Program 11. Radiochemistry. Program 12. Reaction History. Program 13. Photography. Program 14. External Neutron Measurements. Program 15. Alpha Measurements. Program 16. Gammas and Residual Contamination. Program 17. Microbarography. 58