These pictures airborne refuelling remind me of Gander. I seem to recall that BOAC was experimenting with airborne refuelling before the war, as a way to fly from gander to England. I have not read any actual accounts of it or seen any pictures.
Edit: Checked Google and found an excellent book in pdf;
http://www.afhso.af.mil/shared/media/document/AFD-100929-015.pdf
Edit: Checked Google and found an excellent book in pdf;
http://www.afhso.af.mil/shared/media/document/AFD-100929-015.pdf
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