SPACE SHUTTLE | SPACE SHUTTLE ATLANTIS | STS-125 | The fifth servicing mission to Hubble, HST-SM4, was originally scheduled to launch in late 2005 or early 2006 On January 16, 2004, then-NASA Administrator Sean O’Keefe canceled the mission, as well as any future missions to Hubble, citing safety constraints imposed by the Columbia Accident Investigation Board. During the announcement, O’Keefe stated that it was his decision alone, and not a recommendation from any other departments. The decision was widely criticized by the media, the science community, and those in NASA. | KENNEDY SPACE CENTER | MERRIT ISLAND | FLORIDA |