STS-400/Endeavour rescue

STS-400/Endeavour rescue patch. This is an unofficial mission patch. Endeavour is designated STS-400 if needed for the "Launch-On-Need" flight. This is the STS-125/Atlantis flight to the Hubble Space Telescope. STS-125 is also the final flight to the Hubble. 11 May 2009 - 24 May 2009