STS-53 was a space shuttle mission that was launched on December 2, 1992. The mission was flown by the space shuttle Discovery and was the 53rd mission in the Space Transportation System (STS) program. The primary objectives of the mission were to deploy the Defense Support Program (DSP) satellite, which was used for missile warning and tracking, and to perform various scientific experiments in the Spacelab module. The mission patch for STS-53 features the space shuttle Discovery, which is surrounded by a blue circle representing the Earth. The patch also features the words “STS-53” and “Discovery,” as well as the mission’s primary payload, the DSP satellite. The patch also includes the insignias of NASA and the Spacelab program.
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