assigned to the Commander of Community Affairs, Internal Affairs, Governmental Liaison, Narcotics, Organized Crime and Vice, Criminal Intelligence, Detective Services, and other departments. The San Francisco Police Department also has a commander rank. As with the LAPD, it is above captain and below deputy chief. The Metropolitan Police Department of the District of Columbia uses the rank of commander. The rank falls between those of inspector and assistant chief. The Rochester Police Department uses the rank of commander. Higher than captain and below deputy chief, the rank is achieved by appointment. Commander is the rank held by the two patrol division heads and other commanders fill various administrative roles. The Saint Paul Police Department is another police force that uses the rank of commander. In the Saint Paul Police Department, commanders serve as the chief of the district or unit that they oversee. Many police departments in the Midwest use the rank of commander. It is equivalent to a lieutenant in most other departments, being above a sergeant and below a deputy chief or captain. Commander is also used as a title in certain circumstances, such as the commander of a squad of detectives, who would usually be of the rank of lieutenant. Commander is also utilized by larger sheriff's departments in the United States, with the rank usually falling between chief deputy and captain, three positions removed from the sheriff. As appointment Army and Marine Corps In the Army and Marine Corps, the term "commander" is officially applied to the commanding officer of a unit; hence, there are company commanders, battalion commanders, brigade commanders, and so forth. At the highest levels of military command structure, "commander" also refers to what used to be called commander-in-chief, or CINC, until October 24, 2002, although the term CINC is still used in casual speech. The soldier in charge of a tank, for example the M1 Abrams, is also called its "commander". Air Force In the Air Force, the term "commander" (abbreviated "CC") is officially applied to the commanding officer of an Air Force unit; hence, there are squadron commanders, group commanders, wing commanders, numbered air force commanders, major command commanders and so forth. In rank, a squadron commander is typically a lieutenant colonel, although some smaller squadrons may be commanded by a major. A group commander is typically a mid-grade colonel, while a wing commander is typically a senior colonel or a