History of Homeland Security Advisory System (HSAS)
The national threat level has changed 17 times. It has consistently remained at Yellow (Elevated) or Orange (High) and was elevated to Red (Severe) once on Aug. 10, 2006. HSAS has never been lowered to Green (Low) or Blue (Guarded).
utilitarianism the most common form of consequence oriented reasoning, in which the good resides in the promotion of happiness or the greatest net increase of pleasure over pain.
