What ‘distinction’ connects ?

A

B
Manfred von Richtofen / The Red Baron ( A ) and Erich Hartmann / The Black Devil ( B ) – pilots who scored maximum kills in WW I and II respectively .
Cracked by Rithwik , Nishanth Raman , Kamal Rathi , Anil Raghavan , Incognito and Shijil .
A – Manfred von Richthofen nicknamed Red Baron!
B – Erich Hartmann, the highest-scoring ace in history, with 352 kills claimed
Both of them are high scoring Flying Aces!
http://en.wikipedia.org/wiki/Flying_ace
Manfred von Richthofen(Red Baron)
Erich Hartmann(The Black Devil)
Both pilots scored most number of kills in WW1 and WW2
Flying Aces
maximum kills in aerial fights in world war1&2
A- Manfred Von Richthofen
B- Erich Hartmann
Top aces in WWs I and II respectively.
flying aces with highest kills?