

https://en.wikipedia.org/wiki/List_of_aces_of_aces
Ace of aces is a title accorded to the top active ace within a branch of service in a nation's military in time of war. The title is most closely associated with fighter aces, though there are other types, such as tank aces and submarine aces.
Flying aces
Ace of aces is a title accorded to the top flying ace of a nation's air force during time of war.
World War I
World War II
Post-World War II era
Submarine aces
Ace of the Deep is a title accorded to the top subsea ace/undersea ace/submarine ace of a nation's submarine force during time of war.
Submarine hunters
Tank aces
A "tank ace" or Panzer ace has been described by Historian Robert Kershaw, as being the minority of tank commanders that accounted for the most destroyed enemy armor, saying it is roughly analogous with a flying ace.