-36- _s= appeared seriously to violate security. (Specifically, it had been stat: that tritium was no longer required for our thermonuclear weapons.) The GAC deplored this both as a terrible leakof seourity information and as very damaging to morale in the Commission's laboratories, and wished to _ bring the matter to the Commission's attention, There was considerable discussion on this subject, ° | Dr. Rabi informed the visitors that the nextmeeting of the GAG" Dates of Next Meeting would be on May 27, 28, and 29, and that it would hold a party for the Commissioners and their principal staff on the agth,. eee At 11:40 a.m, the visitors left. , . Before adjournment, Dr. von Neumann asked it the ‘Weapon Subcommittee could visit Los Alamos, Sandia, and Livermore about the middle of July. This was agreed’on, and Dr. von Neumann said he wouldarrange it in tandem with the trip of the Reactor Subcommittee. (ppend C, item 4) At 11:45 a.m, this final session was adjourned.=7°2 * 47° - . Richard W. Dodson Secretary , Attachments: Appendix A -- Schedule Appendises B and C — Chairman's Report DOE ARCHIVE is§-