text: Chapter 4
  COLLATERAL DAMAGE
  4-122. The team reports any collateral damage that occurs during BDA missions. Collateral damage is
  defined as unintentional or incidental damage to facilities or equipment, or casualties, that occur due to
  military actions directed against a targeted enemy force or facility.
  PHYSICAL DAMAGE
  4-123. Assessing physical damage is a judgment call. The key factors are the type and size of the target
  and warhead used, and the location of the detonation. The team also considers whether the enemy's use
  of camouflage, concealment, and deception reduced or increased the physical damage, because these
  factors could distort the assessment.
  FUNCTIONAL DAMAGE
  4-124. The team assesses the extent to which military force degraded or destroyed the ability of the
  targeted facility or objective to perform its intended mission. The level of success is based upon the
  operational objectives established against the target. Because assessment of functional damage is
  subjective, the team need not associate a confidence level with it. However, they can include an estimate
  of the time required for the recuperation or replacement of the target function.
  No Functional Damage--Target is undamaged or has sustained little or no damage to critical
  element(s), leaving normal functional capability intact. The target is fully operational or able to
  act; it is mission capable. This damage level does not require recuperation or replacement
  times.
  Light Functional Damage--The critical element(s) of the target has sustained damage, causing
  less than a 15 percent decrease in normal operational capability. This damage level requires an
  estimation of the time required for recuperation or replacement of the target function.
  Moderate Functional Damage--The critical element(s) of the target has sustained damage,
  causing a 15 to 45 percent decrease in normal operational capability. This damage level
  requires an estimation of the time required for recuperation or replacement of the target
  function.
  Severe Functional Damage--The critical element(s) of the target has sustained damage, causing
  greater than a 45 percent decrease in normal operational capability. This damage level requires
  an estimation of the time required for recuperation or replacement of the target function.
  Functional Destruction--The critical element(s) of the target has sustained damage rendering the
  entire target unusable for its original purpose. Target cannot support combat or production
  operations without repairing or replacing critical elements. This damage level requires an
  estimation of the time required for recuperation or replacement of the target function.
  Abandoned--Regardless of physical damage, this facility or equipment is not being used for its
  intended purpose. Target cannot support combat or production operations without being
  reoccupied, re-equipped, or both.
  Unknown Functional Damage--Although the critical element(s) of the target has been attacked,
  insufficient data exist to assess whether functional damage occurred.
  BRIDGES
  4-125. A bridge is designed to allow movement of personnel and equipment across an obstacle.
  Destruction of the bridge might not be required. For example, degrading the ability of the bridge to allow
  movement of vehicles might be enough to accomplish the mission.