n r - - 53613 - UL HEXHUVJ eiocati his the CINE or an alternate Zommaed Authority for to an diroorne Command test by means of heiiconter as soeci instruction on continuity of W ations There were two ex fr this series in 1980 one in February and the other in iav in the e s Conducted On 3 June a technicai orobiem in a computer at the North American iir Defense Command iWOin ctiused arm oneous data to be transmitted As a resuit di ispiays at the Nationai MiZEtary Cominand Center and SAC headquarters ' dioated muitioie aiid mi siie iaunches against the United States miier information avaiiabie irecti from the earning sensor system however Ea iied to confirm that any missiie had been iaunched As a precaution and in accordance with standard procedures certain SAC'aircrait and command and controi aircra were brought to a higher state of readiness In response to that nationai directive hirborne Command Post conducted an emergency aier icraiuir and T n HHCT The aircraft was airborne in 7 minutes The emergency iaunch recoiiemrii was canceiied 71minotes after initiation The aircraft however compieted ab gout 35 hours of routine airborne aiert and then returned to a ground aiert position U A simiiar aiarm was trigge ed on 6 done but BLUE EAGLE was not launched that time It was sobseguentiy iearned that a 46 circuit in the T1ORAD computer system the size ofa nickei or dime had failed not from tauity maintenance but because it simpiy wore out Procedures to oreciode such incidents remained under study through out the year On both 12 and 27 June the JCS provided missiie warning pro cedures designed to confirm suth threat warnings and directing that force posture not be increased or actions taken to cause the movement of forces in response to gerierated threat data uniess the threat was confirmed ov direct sensor data On 15-July the JCS advised that it was essentiai that the tactica rwarning and attack ass-ssment systems be fuiiy caoabie of providing decisidn mating information to the hationai Command Authorities that was not oniy timely but of unquestioned validity and Extensive reviews and anaiyses of segments of the systems had been accomoiished and were con- tinuing The Chairman of the JCS however directed that an umbreiia study 1 acs 2219 o 20502 Jun 80 oEct 7 Jon as 2 Current News Part E 8 Jun 80 U 3 JCS seas 122022 duo 9c TS asvu 12 Jun so 2223 5 acs 4555 27 502 Jun so etvu Jun oo ates s an U1 4 liizfrif 4 M a This document is from the holdings of The National Security Archive Suite 701 Gelman Library The George Washington University 2130 H Street NW Washington D C 20037 Phone 202 994-7000 Fax 202 994-7005 nsarchiv@gwu edu