STS-50 / Columbia Patch

Patch description: Designed by the flight crew, the insignia for STS-50, United States Microgravity Laboratory (USML-l), captures a Space Shuttle traveling above Earth while trailing the USML banner. The orbiter is oriented vertically in a typical attitude for microgravity science and in this position represents the numeral 1 in the mission's abbreviated title. Visible in the payload bay are the Spacelab module, and the extended duration orbiter "cryo" pallet which will made its first flight. The small g and Greek letter mu on the Spacelab module symbolize the microgravity environment being used for research in the areas of materials science and fluid physics. The large block letter U extends outside the patch perimeter, symbolizing the potential for the experiments on this flight to expand the current boundaries of knowledge in microgravity science. The Stars and Stripes of the USML block letters and the U.S. landmass in the Earth scene below reflect the crew's pride in the U.S. origin of all onboard experiments.

4" diameter embroidered patch.

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