English: The space shuttle Challenger attached to two solid rocket boosters (SRB) and en external fuel tank (ET) blasts off from Pad 39A at Kennedy Space Center (KSC).
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]