An old propeller plane flying in dark cloudy skies.. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3296476/free-photo-image-airplane-pilot-cockpitFree Image from public domain licenseThe Yak 3 was regarded as one of the finest interceptors of WWII and was nicknamed "Dogfighter Supreme." Luftwaffe pilots… https://www.rawpixel.com/image/4026283/photo-image-person-public-domainFree Image from public domain licenseAero L-39 Albatros. A subsonic jet trainer aircraft developed in the 1960s in Czechoslovakis by Aero Vodochody, chief… https://www.rawpixel.com/image/4026282/photo-image-person-public-domainFree Image from public domain licenseThe Yakovlev Yak-3 was a World War II Soviet fighter aircraft. Robust and easy to maintain, it was much liked by pilots and… https://www.rawpixel.com/image/4026280/photo-image-person-public-domainFree Image from public domain license