File:Discovery's heat shield.jpg

	This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
	Warnings: Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221. 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. Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI.[1] See also {{PD-Hubble}} and {{Cc-Hubble}}. 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] Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3] The National Space Science Data Center (NSSDC) site has been known to host copyrighted content. Its photo gallery FAQ states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."

Space shuttle Discovery's heat shield.

Image source [4] archive copy at the Wayback Machine. NASA's description:

ISS011-E-11084 (28 July 2005)

Discovery was about 600 feet from the International Space Station (ISS) when Station Commander Sergei Krikalev and Station NASA Science Officer and Flight Enginner John Phillips took photos for about a minute and a half as Discovery Commander Eileen Collins guided the spacecraft through the flip. Krikalvev used an 800 mm lens. The photos will be analyzed by engineers on the ground as additional data to evaluate the condition of Discovery's heat shield.