English Vickers Wellington Mk I medium bombers from the 9th Bomber Squadron of the Royal Air Force in flight over the territory of Great Britain.
Photo of Vickers Wellington Mk I two-motores bombers taken during training in 1939 before the outbreak of World War II in Europe.
9 Squadron of the RAF (otherwise known as No. IX (Bomber) Squadron or No. IX (B) Squadron) fought with Vickers Wellingtons until August 1942, when it was re-equipped with Lancaster Mk Is.
Location: Europe
Time when the photo was taken: 1939