0 SECRETARY OF DEFENSE 1 000 DEl ENSE PENTAGON WASHINGTON DC 2030 1-1 000 DEC 0 7 2012 MEMORANDUM FOR SECRETARIES OF THE MILITARY DEPARTMENTS COMMANDERS OF THE COMBATANT COMMANDS SUBJECT U Maintaining Readiness to Operate in the Cyberspace Domain that our forces have developed and validated tactics techniques and procedures T'i'ps to execute critical missions and fight through contested cyber environments The Chairman of the Joint Chiefs of Staff issued the attached Execute Order EXORD Incorporate Realistic Cyberspace Conditions into Major DoD Exercises in February 2011 in which he allowed DoD components three years for full implementation This issue is of the utmost importance and despite the resource and capacity challenges associated I challenge you to beat that deadline 0 As you plan your training ensure that it presents the challenge of conductin operations within a contested cyber environment ci eveloping the TTPs necessary to prevail in challenging conditions Dominance within the cyber domain is critical to mission success and should be exercised and assessed as such By the end of the three year implementation period directed in the EXORD I expect commanders to have developed and implemented viable TTPs to execute critical missions in es trernely challenging cyber environments These TTPs will be routinely validated and refined A by using them to fight through contested cyber environments in exercises The Joint Staff will provide amplification regarding specific objectives and milestones I asked the Chairman to provide me with regular updates on implementation of this guidance P R08DO76970-12 E Li If you have questions about implementing this guidance contact the Office of Cyber Policy at P0LDASDCyberPoiicy _ osd sn HxA Attachment As stated cc DepSecDef CJCS USD P R DOTE CIO 2                     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