English: Apollo 11 flight, artist concept. Near the point of reentry into Earth’s atmosphere, the CM separats from the service module and turns 180 degrees so the heat shield faces forward on the line of flight
The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain.
The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2]