Which is a disadvantage of CBUs?

• A. Complexity in planning and employment
• B. High precision targeting
• C. No risk of unexploded ordnance
• D. Limited applicability to wide areas

Answer: (A)

CBUs are area-effect weapons that release many submunitions, so the biggest drawback is the complexity involved in planning and employment. Coordinating a release requires precise decisions about altitude, airspeed, release point, and dispersion geometry to ensure the entire target area is covered while managing wind, weather, and terrain effects. Each submunition may have different arming and fuze settings, and the overall dispersal pattern can vary with release conditions. This multitude of moving parts demands careful coordination among aircrews, FDOs/JFOs, and targeting teams, plus rigorous risk management to minimize collateral damage and address potential unexploded ordnance. That combination—multifaceted dispersion, multiple submunitions, and the need for exact timing and control—drives the notable planning and employment challenges of CBUs.

High precision targeting is not characteristic of CBUs; they are designed for wide-area effects, so they do not offer the kind of precision you’d expect from guided munitions. Saying there’s no risk of unexploded ordnance isn’t accurate for CBUs, as UXO risk is a known concern with cluster munitions. And CBUs are specifically chosen for broad-area targets, so suggesting limited applicability to wide areas doesn’t fit their intended use.