group captain 
noun
A rank of officer in the RAF, above wing commander and below air commodore.It ruled this increase would not affect officers of wing commander and group captain rank equivalents, noting the Remuneration Reform Project should address the salaries of these members in due course....
- More than 150 Air Force administration officers from pilot officer to group captain attended the inaugural Administration Officers' Conference at RAAF Base Williamtown on August 6-7.
- He was promoted to group captain in 1992 and, as Director Air Force Policy, negotiated the establishment of the RSAF flying school at RAAF Base Pearce.