Apollo 6, launched on April 4, 1968, was the second uncrewed test flight of the Apollo–Saturn V system and a critical milestone on the path to landing humans on the Moon. Its primary mission objectives were to demonstrate the Saturn V launch vehicle’s structural integrity, test the command and service module’s heat shield during a high-speed reentry simulating a lunar return, and verify mission operations prior to crewed flights. Although the mission experienced significant anomalies—including severe pogo oscillations during ascent and the failure of two second-stage engines—the Saturn V successfully placed Apollo 6 into Earth orbit, and the spacecraft completed a successful high-energy reentry. By proving the robustness of the spacecraft and revealing launch vehicle issues that could be corrected, Apollo 6 played a decisive role in validating the Saturn V and clearing the way for the first crewed Apollo mission later that year.
This patch commemorates the milestones of this mission. There 's a hidden lyre to represent the god Apollo.
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