= om! Te Tres TEPSE THE JOINT CHIEFS OF STAFF WASHINGTON 25, D. Cc. or 3Q APR MEMORANDUM FOR THE SECRETARY OCF DEFENSE Subject: Nuclear Testing (U). Fa,e ae: ee aai I eae” 1. Reference is made to the memorandumby the Joint Chiefs of Staff, dated 13 March 1758, subject as above, and to the memorandumby the Deputy Secretary of Defense for the Ad Hoc Panel on Nuclear Test Cessation. dated 21 March 1,58, subject: ''The Effects of Total Suspension or Cessation of Nuclear Testing. 2. In these memoranda the effect of a cessation of nuclear testing on the United States relative to the USSR was analyzed. Based on this analysis these memoranda reflected the belief that, unless considered only as a part of a larger disariiament proposal to include suspension in the production of weapons and weapons mater al and an effective inspection system: the over-all long-range effects of a test cessation will be to the dstinct disadvantase of the United States. In view of recent increased pressures for the cessation of tests the Jo.nt Chiefs of Staff consider a reiteration and amplification of their views on this subject necessary. [ 3. The Joint Chiefs of Staff consider that an adequate n:ilitary position for the United States will not be attained until there is available a coniplete spectrun: of weapons compatible with modern delivery systerus, which will make it possible to apply selectively adequate force avainst any threat. Aruong the programs of weapon development for which future testiny will oe essential in order to provide this flexivility are: ' a. Small, low-yield, highly mobile weapons for tactical and ASW uses. b. Modern, light-weight, and instantly ready weapons of sophisticated design for use against hostile aircraft. ec. Warheads for anti-iinissile use. ont DECLASSIFIED < | ee sent LOE. DLA- ASa : a: "3 4 z , _ "Ages we = z ts REPRODUCED AT THE DWIGHTD. w | i: By y WNLDae Libis ne ay ot —Z Copies each » AE : af qeyvLos thig oe At doco oct a , : Soo: . . in whole -iipt with ouRee, REPOSITORY bragsK Gece il s r s y Lo, th a COLLECTION rsvrdadd chien. BOX Ne. cf Sehite DA roumen 217 SEL4 ors . : ’ Lute 195 7-52 (a)