English: Views of the 41-D rollout of shuttle Discovery to Pad 39A. Views include the Discovery mated to its two solid rocket boosters (SRB) and its external tank being backed out of the Vehicle Assembly Building (VAB) at Kennedy Space Center (KSC). The orbiter sits atop the mobile launch pad and is being moved by a crawler tractor.
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]