Historic DC-3 Aircraft to Star in ASRA Daytona Ceremonies

ASRA's Race of Champions opening ceremony at Daytona International Speedway will feature jumpers from the 1941 Douglas DC-3 known as Mr. Douglas. Professional canopy swooper Tyler Hudson is set to cross the start/finish line above the pavement at more than 90 mph. The program will also include a large U.S. flag, the ASRA banner, and other canopy displays.
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[paragraph] Need ensure EXPANDED total under 120 words. Let's final. But check "additional factual detail and background drawn ONLY from material above" We mention "built by Douglas in Santa Monica" source says Designed and built by Douglas Corporation in Santa Monica California. Good. "ordered by United Airlines" source commissioned. "name reflects Douglas Commercial, the third model version, and airliner configuration." Source: DC stands for Douglas Commercial; 3 stands for version; A stands for Airliner. Good. "first commercial aircraft built entirely of metal" source says first all metal commercial airplane. Good. "its economics helped airlines operate without subsidies" source says first airliner to make airlines profitable, no longer needed government subsidies. Good. "Two Pratt & Whitney 1830-75 engines were rated at 1,350 hp." Source says powered by two Pratt and Whitney 1830–75 engines capable of producing 1350 hp. Good. "After airline service, it became a Hilton executive ai