Martin B-57B Canberra outfitted with a noise suppressor on its right engine at the National Aeronautics and Space… https://www.rawpixel.com/image/441639/free-photo-image-black-and-white-nasaFree Image from public domain licenseB-57B in flight. Original from NASA. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/441394/free-photo-image-black-and-white-mars-nasaFree Image from public domain license