Final Answer:
Contingency planning information is directly extracted from our national security guidance, such as the Joint Capabilities Plan, or from service-specific plans.
Step-by-step explanation:
Contingency planning involves the preparation and organization of resources to respond effectively to potential future events. The information for contingency planning is sourced directly from overarching national security guidance, including documents like the Joint Capabilities Plan. Additionally, service-specific plans contribute to the formulation of contingency plans, ensuring alignment with the goals and strategies outlined in broader national security frameworks. These plans are essential for addressing a range of potential challenges and ensuring a coordinated and effective response when needed.