Which pairing correctly matches an imagery type with its described use?

• A. FMV imagery — long-term landscape change detection
• B. Still imagery — broad area surveillance and undetectable collection
• C. Still imagery — near real-time monitoring of a planned attack
• D. FMV imagery — historical erosion over years

Answer: (B)

Understanding how imagery types map to surveillance tasks helps explain why that pairing fits best. Full Motion Video provides continuous, moving imagery, which is ideal when you need real-time situational awareness and to track dynamic events. Still imagery, on the other hand, consists of high-resolution photographs captured at a single moment, which is excellent for detailed analysis over a broad area and for building a long-term record by comparing many images across time. The described use—broad-area surveillance with data collection that can be conducted without a heavy, ongoing video signature—aligns with still imagery, since a wide-area snapshot can cover a large region and can be obtained in a way that is less conspicuous than streaming video. By contrast, near real-time monitoring is more a strength of FMV, and studying changes like erosion over years typically relies on a series of still images taken over time to build a historical view.