What is another word for group captain?
Pronunciation: [ɡɹˈuːp kˈaptɪn] (IPA) 
The term "group captain" is typically used in the military and aviation industries to describe a high-ranking officer who is in charge of a group or squadron. However, there are several synonyms for the term that can be used interchangeably. These include squadron leader, commander, flight lieutenant, and wing commander. In some cases, the term "captain" is also used to describe a group leader, although this is more commonly used in a naval context. Ultimately, the specific title used to refer to a group leader will depend on the industry and context in which they are operating, but all of these terms typically connote a high level of leadership and authority.
