A Shuttle Training Aircraft piloted by NASA astronaut Chris Ferguson. Original from NASA. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/440338/free-photo-image-astronaut-nasa-military-aircraftFree Image from public domain licenseSpace shuttle Discovery is silhouetted against the dawn sky as it rolls out to Launch Pad 39A at NASA's Kennedy Space Center… https://www.rawpixel.com/image/440960/free-photo-image-nasa-astronaut-kennedy-space-centerFree Image from public domain licenseA silhouette of the space shuttle Atlantis. Original from NASA. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/440720/free-photo-image-nasa-astronautFree Image from public domain license