Abstract The purpose of this study is to investigate how USA justified the military intervention of Iraq 2003 by using an idea analytical method. The source material consists of speeches led by President George W. Bush in regard to the 9/11 terror attacks and Iraq between the years 2001 and 2003. Quotes have been categorized by using reality judgment, value judgment and regulation of action to analyze how the intervention was justified. The central question this study aim to answer is: what factors and aspects can be analyzed in Gorge W. Bush’s speeches that justified the intervention in Iraq? Results concludes factors that explain how the United States justifies the intervention of Iraq are thus, the possible security policy threats that could arise in the future as a consequence of an ignored Iraq. The decision was communicated in aspects of good values ​​and altruistic reasons. The combination of the factors and aspects above, mediated by George W. Bush to justify the final course of action: military intervention in Iraq. The conclusion is that the Bush doctrine was primarily a doctrine of security and secondly a doctrine of ideology.