of several matters on which early consideration was required or the guidance of the Commission sought by the staff, In the absence of a quorum (or of an emergency situation - for which provision had been made for the conduct of Commission business by less than a quorum) implementation of any decisions made at the meeting would be deferred until the concurrence of a third Commissioner had been secured, 2. Approval of Minutcs The Commission approved minutes of Mectings 554,°555, 556, and 559 held at 10:30 a.m., May 2; 2:30 p.m,, May 2; May 7; and May10, 1951, re- spectively and of the Fifty-seventh and fifty-cighth AEC-~MLC Conferences held on April 26 and May 7, 1951, respectively. (Mir. Glennan, consulted the following day, advised of his concurrence in the above action.) 3. Underground Tests in the Continental United States General McCormack advised that the site survey group headed by Dr. Shields Warren had tentatively concluded that the series of | KT. underground shots to be conducted by the AEC on bchaif of the Department of Defense (see AEC 322/22) could be carricd out safely at either the Las Vegas site cr the Camp Irwin areca, Steps were now under way to work out details of and staffing for the test program. 4, Proposed Assemblying of Nonnuclear Weapon Components General McCormacksaid that in continuing reappraisal of readiness procedures at weapons storage sites it had becn found that the capacity of weapons assembly teams was insufficient to assure dclivery of the increasing stockpile of atomic weapons to the Air Foree as quickly as aircraft could be routed to receive them. Accordingly, it was planned to store fully assembled nonnuclear weapons components to increase military readiness in the event of suddenattack, 5, Section 10 of the Atomic Energy Act - Clearance Requirements Mr, Hollis said he had been informed that representatives of the Federal ~ 236 -