Brown Recluse Spider Bite â Stages, Symptoms, Treatment, Pictures The mouth parts on most spiders are not strong enough to bite into the human skin and hence a large percentage of the spider population across the United States is actually harmless.
Answer: The protection of U.S. sovereignty, territory, domestic population, and critical defense infrastructure against external threats and aggression, or other threats as directed by the President. The Department of Defense is responsible for homeland defense.
FPCONs establish the minimum protection levels to protect military forces from harm. The commander of U.S. Northern Command, in charge of the military command responsible for Homeland Security, determines the appropriate FPCON level for every military installation in the continental United States.