Dornier bombers over UK city,

in this case it is London. Photo: IWM

Airmen holding down the tail of

a Supermarine Spitfire Mark I, N3072,

of No. 611 Squadron RAF during

a firing test at the gun butts at Digby,

Lincolnshire. Photo: IWM

Commanding officers of No. 312 Squadron

in September 1940 in Duxford. From

left: F/Lt Alois Hlobil, Czechoslovak unit

commander S/Ldr Ján Ambruš, British

unit commander S/Ldr. Frank H. Tyson

and Flight leaders F/Lt Dennys E. Gillam,

DFC and F/Lt Josef Duda. Photo: IWM