NASA STS-121 Discovery Mission Patch

4" Embroidered Space Patch for the STS-121 Mission

STS-121, ISS mission ULF1.1, was the second Space Shuttle Return to Flight test mission after the loss of Columbia in 2003. This utilization and logistics flight brought a multipurpose logistics module to the International Space Station with several thousand pounds of new supplies and experiments. During the mission the crew also carried out testing of shuttle inspection and repair hardware, as well as evaluated operational techniques and concepts for conducting on-orbit inspection and repair.

Patch description: The STS-121 patch depicts the space shuttle docked with the International Space Station (ISS) in the foreground, overlaying the astronaut symbol with three gold columns and a gold star. The ISS is shown in the configuration that it will be in during the STS-121 mission. The background shows the nighttime Earth with a dawn breaking over the horizon.