48K views · 4K reactions | Today we mourn the passing of Walt Cunningham: U.S. Marine, patriot, and Apollo astronaut. Cunningham spent 11 days in low-Earth orbit during Apollo 7, the first crewed Apollo flight, and was instrumental to our Moon landing's program success: https://go.nasa.gov/3jPOTMQ | NASA - National Aeronautics and Space Administration | Facebook