(ispfs Oe egaen 2gFo po poraparen . ‘TickAgonTED | L442 2G 28 G&G an ByDtAe.Date24zave5 EPOSITORY Narw — 6ollege bark OLLECTION Rb 426 46-95 BO Se ROOLES02ORED:= folGre: UNITED“STATES Seerelary over 47/-6 [y~ 2! -47) Vel- | SandsStoere Subject: : 411998 | ATOMIC ENERGY COMMISSION ee TON A; | January 1h, 1948 (W3- 32.6- 93-007) MEMORANDUM FOR THE PRESIDENT OX No. [04 os _ R - Test of Atomic Weapons In a memorandum to you dated November 25, 197, on the subject of the forthcoming test of atomic weapons, the Atomic Energy Commission indicated that two shots were definitely planned, with provisions made for a third in the event data obtained from the two shots prove inadequate. ~ Intensive theoretical studies. by the Los Alamos Laboratory have subsequently convinced the Commission that a definite program of three shots is essential to the gathering of adequate data bearing on a primary objective of the test, which is to find substantially more economical means of employing fissionable materials in bombs. , sa tr oulNea | pete. os Eby the second and third shots are successful our design data will be broadened that a greater variety of weapons can:be produced which will meet more ficiently and more economically the various military requirements for weapons. r ran p General Advisory Committee and the Armed Services, through the Military aison Committee, have been consulted and have expressed their agreement in LS test program. The)mannemk heipelaheh Orta. Att ted he ahh Mawee tm [W468 ape tandlsserinllgee FATS - r fae Ls IM A he? a ee nee be ne rr "fa "ne define UNITED STATES ATOMIC ENERGY COMMISSION /s/ Davia B. . Lilienthal © m ~ t < { Cavid E, Lilienthal See eeemee ‘ or 2 ombied ~ See Liorfyg #2Iz}, bas RDA G PROOGA’ lag ~ tre . - .