In the late thirties Flying Aces ran Alden McWilliams’ monthly illustrated tribute to the pioneer fliers of the early days of aviation which was called “They Had What it Takes”. In the July 1937 issue they featured Jimmy Doolittle who, between WWI and WWII, was considered to be America’s greatest airman.

• Download “They Had What It Takes – Part 6: Jimmy Doolittle” July 1937, Flying Aces