AFOSI meaning in Governmental ?

The U.S. Air Force Office of Special Investigations (AFOSI or OSI) is a U.S. federal law enforcement agency that reports directly to the Secretary of the Air Force. AFOSI is also a U.S. Air Force field operating agency under the administrative guidance and oversight of the Inspector General of the Department of the Air Force. By federal statute, AFOSI provides independent criminal investigative, counterintelligence and protective service operations worldwide and outside of the traditional military chain of command. Proactively, AFOSI identifies, investigates, and neutralizes serious criminal, terrorist, and espionage threats to personnel and resources of the Air Force, Space Force, and the U.S. Department of Defense, thereby protecting the national security of the United States.