C-141 (NASA-714) Kuipter Airborne Observatory in flight, telescope hatch open. Original from NASA. Digitally enhanced by… https://www.rawpixel.com/image/441409/free-photo-image-airplane-nasa-aircraftFree Image from public domain licenseEclipse project F-106 under tow on January 23, 1998. Original from NASA. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/441493/free-photo-image-space-under-sky-planeFree Image from public domain licenseC-141 (NASA-714) Kuipter Airborne Observatory in flight, telescope hatch open. Original from NASA. Digitally enhanced by… https://www.rawpixel.com/image/441412/free-photo-image-airplane-military-planeFree Image from public domain license