English: Betty Wall Strohfus, a WWII Women Airforce Service Pilot, holds a picture of herself when she was a WASP pilot, Sept. 27, 2012, at Nellis Air Force Base, Nev. Strohfus was stationed at Las Vegas Army Air Field from 1943-44, and was one of 1,074 women who became certified WASP pilots during WWII. Las Vegas Army Air Field later was re-designated as Nellis AFB. The female pilots of the WASP freed up male pilots for combat services and duties during the WWII era.The black-and-white photo Strohfus holds depicts herself standing on the wing of her North American T-6 Texan.