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SpaceX COTS Demo Flight 1 in 2010 was the unmanned first spaceflight of the SpaceX Dragon spacecraft, the Dragon C1, which orbited the Earth, and the second overall flight of the SpaceX Falcon 9. It was also the first demonstration flight for NASA's Commercial Orbital Transportation Services (COTS) program for which SpaceX was selected. The primary mission objectives were to test the orbital maneuvering and reentry of the Dragon capsule.
Limiting rule: No flight through cumulus cloud with top at or above the freezing level.
10000% cloud cover in layer above freezing (14743 ft) — approximated · ≥60% layer 13488–17907 ft (4419 ft thick) — approximated