CBT (computer-based training) can benefit from the modern multimedia tools combined with network capabilities to overcame traditional education. The objective of this paper is focused on CBT development to improve strategic decision-making with regard to air command and control system for NATO staff in virtual environment. A conceptual design for the CBT of the Web-based command and control system including a methodology and a model of content relations is described. The system helps the personnel to effectively plan, execute, monitor and assess Air operations in a responsive and timely manner. The developed prototype of CBT for Web-based air command and control system for NATO is illustrated.