NPS 4 - Biological Attack (Plague) Functional ExerciseScenario Description In this scenario, members of the Universal Adversary (UA) release pneumonic plague into three main areas of the jurisdiction in the public bathrooms. About Our National Planning Scenarios In July 2004, The Homeland Security Council (HSC) in partnership with the Department of Homeland Security (DHS), the federal interagency, and state and local homeland security agencies developed and published fifteen all hazards planning