OPEN publications are produced by Allied Command Transformation Operational Experimentation; however OPEN publications are not formal NATO documents and do not represent the official opinions or positions of NATO or individual nations. OPEN is an information and knowledge management network, focused on improving the understanding of complex issues, facilitating information sharing and enhancing situational awareness. OPEN products are based upon and link to open-source information from a wide variety of organisations, research centres and media sources. However, OPEN does not endorse and cannot guarantee the accuracy or objectivity of these sources. The intellectual property rights reside with NATO and absent specific permission OPEN publications cannot be sold or reproduced for commercial purposes. Neither NATO or any NATO command, organization, or agency, nor any person acting on their behalf may be held responsible for the use which may be made of the information contained therein.