North_American_Mustang_Mk_I_of_the_Air_Fighting_Development_Unit_at_Duxford,_Cambridgeshire,_February_1942._CH17966 Published on August 19, 2017 in 20 August 1944Full resolution (800 × 582) ← Previous Next → North American Aviation Mustang Mk.I of the Air Fighting Development Unit at Duxford, Cambridgeshire, February 1942. © IWM (CH17966)