Members of Friends of Jenny perform rountine maintenace on the J-4 Jenny, May, 4, 2017 at Bowling Green, Kentucky. Other than the fact it was the first training plane, in 1917 Congress made the largest single appropriation in the United States, 640 million dollars to build an Air Force because at that point there were around 32 airplanes, in which, 10 or 12 were serviceable. ( Air Force photo/Senior Airman Tristin English)

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Size: 5330px × 3558px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -4, 100, afb, centennial, friends, jenny, scott, service, years