304. rn the following paragraphs a brief description is attenpted of the mainfeatures of the nuclear doctrines of the nucreaa-weapon states. The descriptionof the various doctrines is mad.e fron the perspective of the applicability of thedoctrines tovard.s other nuclear-weapon staies. As for the possible use ot. nucr€ari'./3, /392 rlnflisn AlrNCX Page 1O5 veapcns against non-.nuc1ear-weapon States, these doctrines are discussed in sonedc.-i'l i- nt.-nr^r VI) .f t.l-ir r^ccrr r. rr:,v t^F, recollected that therc l.as beer: only one knovn casc where nLrclear weapons have been used, 3nd this r,'as againsl a ncn-nu clear-weal,on State. llovever, in the case of several, crises or arned :onf-Lic:,.j ruulear r/eafons were used as instrurnenLs ofl pressul-e or thrcats againsr. non-nuclear-veapon States. ft should be noted here that since the energence of -^ 4iF6^a Ti Iir.arv ccnfriet - aDart frorn certain border clashes - vur_4!!+l has takcn pl"ce oetveen nuclear-Meapor States" but there has been a Crear nu:rter of milir,arlr conflicts between nuclear-weapon States and non-nuclear-weapon States. 3OLa. In d-scussin- in t\e fotlolrino paranrarhs the doetr-ines of various counrries regardin€: nuclear r{eapons, it should be noted that they have historically..nsidp-al- lp nl^onoc or.4 | r...r ,]^a-F rraS been a lair arount of interaction between the different doctrines, either through the process of iregotiation or Lnror-rg'r c\anging lerceptions of tl)reats to Lhe naLional security of those counl,ries. Needless to say, a great deal of evolution of and interaction betneen Ccctrines nay be aLcributed Lo devefopmenr in veapon technologies as well as lo var-r'ing aspects of the internatlonal relaticnship" 1. l\truclear doctrines of the United States of Anerica 305. Although in the inrnediate period following the Second i^iorld War it f,ias rccornized in rhe United Srates t.haL the stomic bonb might potential]y change all rrrili'uary strat-^gy, this bomb vas mainfy viewed as a somevhat bigger bomb to be used in the same way other bombs had been used at the end of the war. The