The evidence available concerning the nature , quality and quantity of the agents used Using on 21 August indicated Statement that the perpetrators likely had access Having_or_lacking_access to the chemical weapons stockpile of the Syrian military , as well as the expertise and equipment necessary to safely manipulate Hold large amount of chemical agents . ''

More efficient use of fissionable material as a result of Operation Sandstone would increase the U.S. nuclear stockpile from 56 bombs in June 1948 to 169 in June 1949 .