Pentagon Force Protection Agency
The Pentagon Force Protection Agency (PFPA)  protects and keeps safe the occupants, visitors, and infrastructure of the Pentagon, Navy Annex and other assigned Pentagon facilities. PFPA is a civilian Defense Agency within the United States Department of Defense. PFPA does its job using law enforcement officers (Pentagon Police), criminal investigative and protective services agents; threat management agents; chemical, biological, radiological, nuclear and explosives technicians; and anti-terrorism/force protection and physical security personnel.