text: Chapter 2
  ATTACKS ON FACILITIES, WORK, OR INSTALLATIONS CONTAINING DANGEROUS FORCES
  Certain facilities containing dangerous forces, such as dams, nuclear power plants, or facilities
  producing weapons of mass destruction, may constitute military objectives. A commander may have a
  number of reasons to attack them, such as denial of electric power to military sources, use of the forces
  contained therein to damage or destroy other military objectives (such as lines of communication), or to pre-
  empt enemy release of the dangerous forces to hamper the movement or advance of friendly forces.
  Attacks of facilities, works, or installations containing dangerous forces, such as dams, nuclear
  power plants, or facilities producing weapons of mass destruction, are permissible so long as they are
  conducted in accordance with other applicable rules, including the principles of distinction and
  proportionality. In light of the increased potential magnitude of incidental harm, additional precautions, such
  as weaponeering or timing the attack so that weather conditions would minimize dispersion of dangerous
  materials, may be appropriate to reduce the risk that the release of these dangerous forces may pose to the
  civilian population. In order to facilitate the identification of such objects, Parties to AP I may mark them
  with a special sign consisting of a group of three bright orange circles placed on the same axis, as depicted
  in figure 2-1. However, the United States has objected to Article 56 of AP I as not reflecting customary
  international law (see DOD Law of War Manual, 5.13.1).
  Figure 2-1. Special AP I sign for works and installations containing dangerous forces
  Special Considerations
  In light of the risks posed by attacks impacting these objectives, a commander should take additional
  care when contemplating an attack on a facility, work, or installation containing dangerous forces, or even
  an object located nearby. After determining whether the object under consideration for attack is a military
  objective, the commander should consider the following as part of the analysis of the risks of incidental
  damage to civilian objects and injury to the civilian population:
  * The risk of release of the potentially dangerous materials or forces contained within the objective
  as a result of its attack, or of an attack on military objectives within its immediate vicinity;
  * The expected or anticipated risk to the civilian population in the event dangerous materials or
  forces are released; and
  * Methods by which these two risks can be minimized in the event an attack is authorized.
  The fact that the materials or forces contained within a military objective may be released as a result
  of the attack does not immunize it from attack.
  Military Objectives Within the Vicinity
  Enemy military objectives, including military forces and equipment, remain legitimate targets if
  present in the vicinity of objects containing dangerous forces. This includes military personnel and equipment
  dedicated to defense of objects containing dangerous forces. These military objectives may be attacked
  subject to the principle of proportionality, including the special considerations noted in the prior paragraph.