what is security forces in the air force
United States Air Force Security Forces United States Air Force Security Forces is the force protection[4][5][6] and military police of the United States Air Force. Security Forces (SF) were formerly known as Military Police (MP), Air Police (AP), and Security Police (SP).
Naval Criminal Investigative Service The United States Naval Criminal Investigative Service (NCIS) is the primary law enforcement agency of the United States Department of the Navy. Its primary function is to investigate criminal activities involving the United States Navy and United States Marine Corps, though its broad mandate includes national security, counter-intelligence, counter-terrorism, cyber warfare, and the protection of U.S. naval assets worldwide. NCIS is the successor organization to the former Naval Investigative Service (NIS), which was established by the Office of Naval Intelligence after the Second World War.