Discovery approaching the ISS for docking during the STS-121 mission

ISS013-E-48792 (6 July 2006) --- The Space Shuttle Discovery approaches the International Space Station for docking, but before the link-up occurred the orbiter "posed" for a thorough series of inspection photos. Discovery docked at the station's Pressurized Mating Adapter-2 at 9:52 a.m. (CDT), July 6, 2006.