No Objection To Declassification in Full 2013 11 15 NLC-11-4-6-5-4 i · ··· - - - ' - ' ' l i THE SECRETARY OF DEFENSE WASHINGTON D C 20301 ME ORANDUM FOR THE ASSISTANT TO THE PRESIDENT FOR NATIONAL SECURITY AFFAIRS SUBJECT IVORY ITEM Exercises U 1 TS Reference your memorandum of 18 October all Defense Department participants in IVORY ITEM exercise have been advised that only the principals will be in the conference 2 TS IVORY ITEM procedures have been revised and coordinated with the White House to provide a parallel non-secure communications circuit for future exercise conferences This will provide a backup If secure communications should fail we can verify the availability of the non-secure net but must be careful not to discuss sensitive exercise play on non-secure circuits 3 TS I will be prepared to discuss a proposed format for the condensed decision guide at an early date Saturday on the plane to Omaha with you and the President Class r _' ' '1 11 ____ Sec_Dej ______________________ _ r • _____ ____ _ 31Dec87 COPY ·- · · · ·· · ' OP ······· ---···· cc n D l ' No Objection To Declassification in Full 2013 11 15 NLC-11-4-6-5-4