12 O'Clock High was filmed at an abandoned airbase in Arkansas in 1947. The last scene of the movie with Major Stovall as a civilian was filmed first and then they came in and mowed the grass and cleaned the place up as a British US base. Look at pictures of RAF bases to see what they are as the British built alot of the bases. A good place to start would be the photo archives of the US Air Force Museum online. Just look up B-17s, B-24s and B-26s. Also look up the website for the 303rd Bomb Group as they have a lot of photos of outside maintenance of B-17s.
WIP: Monogram 1/72 B-26 (Snaptite) as 73rd BS B-26, 40-1408, torpedo bomber attempt on Ryujo
Monogram 1/72 B-26 (Snaptite) as 22nd BG B-26, 7-Mile Drome, New Guinea
Minicraft 1/72 B-24D as LB-30, AL-613, "Tough Boy", 28th Composite Group