2. SYSTEM OVERVIEWThe OrbitOutlook system attempts to address three questions that motivate three distinct levels of operation:Level A: Observation Collection and Reduction What data can be gleaned from site/sensor observations?Level B: Data Validation What is the quality of the data?Level C: Data Exploitation What information can be distilled/mined from the data?While not strictly part of the O2 system, the follow-on of this system can be summarized on another level:Level D: Decision Support What intelligence/actions can be drawn from O2-generated information?