United States Senate, !6th Con8ress, First Session, Part tr'our, Department of Defense Approprlations for Fiscal- Year ]980: (b) Hearings before the Connnittee on Armed.serviccs, Unjtcd States Senate, !6uh Congress, First Session, Part Six, Research and Devclo1lmenl: (c) Hearings on l.lilitary Posture, Department of Defense Authorization for Appropriations for Fiscal Year 1980 before the Conirittee on Armed Services" llouse lrf Rar\rFs.enl-rtilrF< O6th Onnorocc pali llhraa^/35/392Ens_L1Sn Annex Page 33 of the soviet ss-L8 roissile can be replaced by an al"ternative payl-oa.d containing 10 varheads of s.bout 500 kt. sinil-arly, the air-launched cruise nissiLes whichthe united states rqi1l have $eLL under d.eploynent by f9B2 have yiel-ds in the range bel-oll 200 lit., consid-erably less than the gravity bomb lrhich they reptece in thepenetrating bomber force. 69. As vas shown in chanter II, the lethality of the lreapons increases e1tbouehthe nominal yiel-tl may d.ecrease" as this trend in rarhead development has been accompanied by an increase in the accuracy of the delivery vehicres. The monentumthat this enhs.nc ement of d.elivery accuracy is giving to the strategic nucrear armsrace can hardly be exaggerated. By opening to each super-power the possibility ofhitting the otherts nuclear-weapon ennplacenents n it creates a situation of a "d.ue1" bet'\,r€en the strategic weaFohs and gives fresh nouri shr4eni to the fears that the opponent might becone able to rnake a dj.sarrning first strilie. This threat vas alsothe rationale for the introduction of SLBIyIS,A/35 /392 .UNBI I SN Annex Paee 3\ FICUNE III. IIIE TRADE-OTT BST'IIEEX IIEAPOII YIELD AND DELIVERY ACCURACY YieId, kt r 000 When weapon delivery accuracy is enhanced' i.e" CEP is reduced, the weapon yield required to achieve a certain probability of destroying a given target dectease€ sharply. The diagran illustrates this relation- ship for probability values 0.99 and 0.9, assuming a target hardened to
**Analysis**
The text appears to be discussing military-related topics, such as the development of nuclear weapons, delivery accuracy, and the potential consequences of increased accuracy. The language used is technical and focuses on the capabilities and effects of different types of weapons. This suggests that the text is related to the field of science and technology, particularly in the area of defense and national security.

**Category**
Science and technology