Requirements, Planning, & Direction
This step includes identifying information needs-- what must be known to safeguard the nation. It also includes determining what needs to be done and how, and discussing ways to gather the necessary intelligence.
Huron, M., & McLeod, G. (1993). Intelligence support and mission planning for autonomous precision-guided weapons. RAND. Link to source
Rhodes, C., Hagen, J., & Westergren, M. (2007). A strategies-to-tasks framework for planning and executing intelligence, surveillance, and reconnaissance (ISR) operations. RAND. Link to source
Thaler, D. E., & Shlapak, D. A. (1995). Perspectives on theater air campaign planning. RAND. Link to source