pp A supplement to the program letter dated 21 March 58 was written after Teller took over as Director and goes into possible studies, calculations, tests, - . and experiments, as well as specific ideas which Livermore has and cannot at the present pursue due to the limitations on manpower that they have to put on projects. After going into several pages of what can be done in each of the major program areas, Teller concludes “The above enumeration clearly indicates that there is far more useful work to be done than a laboratory of the present size of UCRL can possibly do in the immediate future. This poses the difficult and dangerous problem of choosing the ultimately most useful and desirable ideas from among the many promising and in some cases unexplored candidates. We feel that, at least at the present level. limitations of funds should not be the determining factor in our ability to pursue some of this work." : First pertinent entry is dated 21 March 1958 and mentions plans for test operations as follows: Millrace at NTS in fall of 1958, Trumpet | at NTS In spring of 1959, and Willow at Eniwetok in spring of 1960. oO BL .