No Objection To Declassification in Full 2013 11 15 NLC-12-6-3-21-6 THE WHITE HO CSE OUTSIDE THE SYSTEM TOP SECRET SENSJTTQE INFORMATION June 21 1978 MEMORANDUM FOR ZBIGNIEW BRZEZINSKI FROM WILLIAM E ODOM SUBJECT Daily Report Item You asked for a short note on the Threat Assessment today It follows The National Military Command Center convened a Missile Threat Assessment Conference Call at 4 42 p rn today It ended at 4 49 p rn with NORAD finding a computer mistake in the PARCS system The details of the system error are still being gathered but the PARCS location as one of the last systems in the warning sequence made the likelihood of an attack very low from the beginning Our White House system of alerting worked very effectively bLinging in the WHCA switch in at 4 42 p m This is the third such Threat Assessment Call this year TOP SECRET SENSITIVE No Objection To Declassification in Full 2013 11 15 NLC-12-6-3-21-6