ALT Voyager Technologies’ Griffin-1 lunar lander is suspended in front of the open 25-Foot Space Simulator at NASA’s Jet Propulsion Laboratory as technicians in clean-room garments guide and position the spacecraft. The large thermal vacuum chamber rises behind the lander, with an American flag hanging beside the entrance. Credit: NASA/JPL-Caltech

ALT Voyager Technologies’ Griffin-1 lunar lander is shown during spin testing on a special table at NASA’s Jet Propulsion Laboratory. The spacecraft appears motion-blurred as it rotates, while several technicians in clean-room garments work nearby. Credit: NASA/JPL-Caltech