two silhouetted spitfires dive out of the bright sun

aeroplane air aircraft airplane airshow aviation battle biggin britain british cockpit display dogfight engine england fighter flight fly force grey hill historic legend merlin mh434 military model old plane power propeller raf second show skill sky speed spitfire supermarine technology transport transportation travel two uk vintage war warplane wing wings world ww2 silhouetted spitfires dive out bright sun attacking enemy surprise hiding effective common tactic catch their foe off guard