This latest revision of the Information Operations Primer provides an overview of Department of Defense (DoD) Information Operations (IO) doctrine and organizations at the joint and individual service levels. It is primarily intended to serve students and staff of the U.S. Army War College as a ready reference for IO information extracted and summarized from a variety of sources. Wherever possible, Internet websites have been given to provide access to additional and more up-to-date information. This booklet is intentionally UNCLASSIFIED so that the material can be easily referenced during course work, while engaged in exercises, and later in subsequent assignments.This booklet begins with an overview of Information Operations, Strategic Communication and Cyberspace Operations. At each level it describes strategies or doctrine, agencies, organizations, and educational institutions dedicated to the information element of national power. Finally, the document concludes with an IO specific glossary and hyperlinks to information operations, cyberspace operations and strategic communication related websites.CHAPTER I - CONCEPTS * Information Operations * Strategic Communication * Cyberspace and Cyberspace Operations * CHAPTER II - STRATEGIES, GUIDANCE & DOCTRINE * National Strategy and Guidance * U.S. International Strategy for Cyberspace * National Framework for Strategic Communication * Department of Defense Strategy and Guidance * DoD Strategy for Operating in Cyberspace * DoD Report on Strategic Communication * DoD Principles of Strategic Communication * Department of Defense Directive (DoDD) 3600.01 Information Operations * Joint Doctrine * Joint Information Operations Doctrine * Service Doctrine * Army Information Doctrine * Marine Corps Information Operations Doctrine * Navy Information Operations Doctrine * Air Force Information Operations Doctrine * CHAPTER III - ORGANIZATIONS * Department of State * Under Secretary of State for Public Diplomacy and Public Affairs * The Center for Strategic Counterterrorism Communications * National Agencies * National Security Agency (NSA) * Department of Defense * Under Secretary of Defense - Policy (USD(P)) * Assistant Secretary of Defense for Public Affairs - Communication Planning and Integration (CPI) * Department of Defense Chief Information Officer (DoD CIO) * Defense Information Systems Agency (DISA) * Information Assurance Technology Analysis Center (IATAC) * Joint Organizations and Educational Institutions * Joint Staff, Deputy Director for Global Operations (DDGO J39) * Joint Spectrum Center (JSC) * Joint Public Affairs Support Element (JPASE) * Joint Information Operations Warfare Center (JIOWC) * U.S. Strategic Command (USSTRATCOM) * U.S. Cyber Command (USCYBERCOM) * U.S. Special Operations Command (USSOCOM) * Joint Forces Staff College - Information Operations Program * Information Operations Center for Excellence Naval Postgraduate School * Service Organizations * Army Cyber Command/2nd Army * Army - 1st Information Operations Command (1st IO Cmd) * Army Reserve Information Operations Command (ARIOC) * United States Army Information Proponent Office (USAIPO) * Marine Corps Information Operations Center * Navy Information Operations Organizations * Air Force Intelligence, Surveillance and Reconnaissance Agency * Headquarters 24th Air Force * 624th Operations Center * 67th Network Warfare Wing * 688th Information Operations Wing * 689th Combat Communications Wing * Glossary * Information Operations, Cyberspace, and Strategic Communication Related Websites