Rule of the LGOPs   (quote)

"An unofficial set of rules passed around the Fort Bragg barracks said it all: "After the demise of the best Airborne plan, a most terrifying effect occurs on the battlefield. This effect is known as the Rule of the LGOPs (little groups of paratroopers). This is, in its purest form, small groups of pissed-off nineteen-year-old American paratroopers. They are well-trained, armed to the teeth, and lack serious adult supervision. They collectively remember their commander's intent as, "March to the sound of the guns and kill anyone who is not dressed like you.""
  -Dana Priest, in The Mission, describing what happens when 82nd Airborne units improvise.