Related Rule
Practice Relating to Rule 12. Definition of Indiscriminate Attacks
Section B. Attacks which cannot be directed at a specific military objective
During the discussion on the armistice following the Gulf War, Iraq argued that high-altitude bombing by US B-52s made it impossible to distinguish between civilian and military targets. 
Iraq, Statement before the UN Security Council, UN Doc. S/PV.2981, 3 April 1991, p. 23.