collateral damage — Unintentional or incidental injury or damage to persons or objects that would not be lawful military targets in the circumstances ruling at

collateral damage — Unintentional or incidental injury or damage to persons or objects that would not be lawful military targets in the circumstances ruling at the time. DoD manual: http://www.dtic.mil/doctrine/jel/new_pubs/jp1_02.pdf http://www.dtic.mil/doctrine/jel/new_pubs/jp1_02.pdf Civilian families aren't lawful military targets.