Collateral Damage Estimation (CDE) is best described as:

• A. A metric for estimating fuel consumption during a mission
• B. An assessment of potential civilian casualties and property damage used to minimize collateral damage and ensure ROE compliance
• C. A technique for deconflicting airspace and vessels
• D. A plan for post-engagement assessment of damage

Answer: (B)

Collateral Damage Estimation is about weighing the potential harm to civilians and civilian property from a planned or ongoing operation, and using that assessment to reduce collateral damage and ensure compliance with rules of engagement. It involves analyzing factors like population density, proximity to civilian structures, and the potential for unintended casualties or property damage, then applying that information to choose or modify targeting, timing, or munitions to minimize harm. This is why the best description is an assessment of potential civilian casualties and property damage used to minimize collateral damage and ensure ROE compliance. The other ideas—fuel consumption, deconflicting airspace and vessels, or post-engagement damage assessment—do not capture the purpose and use of collateral damage estimation.