U S Federal Protective Service Police Dept of Home land Security Challenge Coin. This is a great looking Federal Protective Service challenge coin. Coin has reeded edges and is about 1 9/16" in diameter. All details are raised lettering and gold plated. Coin is contained in an acrylic The Federal Protective Service (FPS) is the police division of the National Protection and Programs Directorate of the United States Department of Homeland Security. FPS is "the federal agency charged with protecting and delivering integrated law enforcement and security services to facilities owned or leased by the General Services Administration (GSA)"?over 9,000 buildings?and their occupants. The FPS is a federal law enforcement agency, and employs approximately 900 law enforcement officers who receive initial training at the federal Law Enforcement Training Center. FPS provides integrated law enforcement and security services to U.S. Federal buildings, courthouses, and other properties administered by the General Services Administration (GSA) and the U.S. Department of Homeland Security (DHS). To support that mission, FPS contracts with private security firms to provide 13,000 contract Armed Protective Security Officers (PSO) providing access control and security response within federal buildings. These PSOs are not federal law enforcement but private security employees trained by FPS. FPS also protects other properties as authorized and carries out various other activities for the promotion of homeland security as the Secretary of Homeland Security may prescribe, to include providing a uniformed police response to National Security Special Events, and national disasters.