Working closely with senior criminal investigative executives of the DHS, including the Office of the Inspector General, DOJ, Naval Criminal Investigative Service (NCIS), Air Force Office of Special Investigations (AFOSI), Army Criminal Investigations Division (CID), Defense Criminal Investigative Service (DCIS), Federal Bureau of Investigation (FBI), Drug Enforcement Administration (DEA), Immigration and Customs Enforcement (ICE), Customs and Border Protection (CBP), U.S. Marshals Service, Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF), Organized Crime Drug Enforcement Task Force (OCDETF), and other partner agencies, foreign and domestic, in assuring effective coordination on all related investigative and operational issues and administrative matters under the direction of those organizations. Directing and overseeing investigations of felony-level crimes committed by Coast Guard members under the Uniform Code of Military Justice (UCMJ); crimes committed by employees or other persons on Coast Guard bases and assets, or in or affecting Coast Guard activities; and crimes that violate statutes over which the Coast Guard exercises law enforcement authority, such as crimes occurring on the high seas or waters subject to the jurisdiction of the U.S. External investigations of maritime related crimes range from migrant and drug smuggling to false distress calls and violations of the environmental laws of the United States.