It is equivalent to the British military ranks of Lieutenant General and Vice Admiral in seniority.
See also: Comparative military ranks
... 1996 Denny Doherty[?] 1996 John Kay[?] 1996 Dominic Troiano[?] 1996 Zal Yanovsky 1997 Gil Evans[?] 1997 Lenny Breau[?] 1997 Maynard Ferguson 1997 Moe ...