The Law of War

B130936
Law of War/Introduction to Rules of Engagement
Standing Rules of Engagement for US Forces (Continued)
Three Principles of Self-
Defense
Necessity. Exists when a “hostile act” occurs or a force or
terrorist(s) exhibits “hostile intent”.
• Hostile Act
o An attack or other use of force against the:
− US.
− US forces.
− In certain circumstances: US nationals and
their property; US commercial assets; other
designated non-US forces, foreign nationals,
and their property.
o Force used directly to preclude or impede the
mission and/or duties of US forces, including the
recovery of US personnel and vital US
government property.
o See CJCSI 3121.01B, Glossary for further
amplification
• Hostile Intent.
o The threat of imminent use of force against the:
− US.
− US forces.
− In certain circumstances: US nationals and
their property; US commercial assets; other
designated non-US forces, foreign nationals
and their property.
o The threat of force to preclude or impede the
mission and/or duties of US forces, including the
recovery of US personnel and vital US
government property.
• Things to consider:
20 Basic Officer Course