NASA astronaut Rick Mastracchio during EVA 2. Original from NASA. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/440847/free-photo-image-nasa-astronaut-april-2010Free Image from public domain licenseNASA astronaut Rick Mastracchio during EVA 1. Original from NASA. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/440793/free-photo-image-astronaut-spaceship-nasaFree Image from public domain license