(Top Row) Astronaut Michael E. Lopez-Alegria (center), Expedition 14 commander and NASA space station science officer; cosmonaut Mikhail Tyurin (right), flight engineer representing Russia's Federal Space Agency; and European Space Agency (ESA) astronaut Thomas Reiter, flight engineer, take a break from training at Johnson Space Center to pose for a crew portrait.
(Bottom Row) Astronaut Michael E. Lopez-Alegria (center), Expedition 14 commander and NASA space station science officer; cosmonaut Mikhail Tyurin (right), flight engineer representing Russia's Federal Space Agency; and NASA astronaut Sunita Williams, flight engineer, take a break from training at Johnson Space Center to pose for a crew portrait.
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]