Which system aids in mission planning within the AOC?

The Joint Mission Planning System (JMPS) is the correct answer because it is specifically designed to assist in mission planning within the Air Operations Center (AOC). This system provides a framework that integrates mission planning capabilities across various platforms and helps ensure that all components of the operation are synchronized. JMPS allows for comprehensive planning that includes factors like mission objectives, asset availability, and operational constraints, facilitating effective decision-making and enhancing mission success.

The other options serve important functions but do not focus exclusively on mission planning within the AOC. For instance, the Advanced Weather Forecasting System provides vital weather data to inform operational decisions but does not directly facilitate mission planning. The Scenario Simulation Tool is used to analyze and practice scenarios but is not exclusively for planning missions. The AOC Operations Management Tool assists in broader AOC functions such as tracking operations and mission status, rather than specifically focusing on the planning phase. Thus, JMPS stands out as the primary system for mission planning tasks within the AOC environment.