Operating from British aircraft carriers , it was used in combat over Tanganyika and over Yemen during the Aden Emergency .
The Sea Vixen had the distinction of being the first British two - seat combat aircraft to achieve supersonic speed , albeit not in level flight .
Operating from British aircraft carriers , Sea Vixen was used in combat over Tanganyika and over Yemen during the Aden Emergency .
The Sea Vixen had the distinction of being the first British two - seat combat aircraft to achieve supersonic speed , albeit not in level flight .