NACA
U.S. federal agency
English: NACA (National Advisory Committee for Aeronautics) was a U.S. federal agency. It existed 1915–58, when NASA (National Aeronautics and Space Administration) was formed.
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NACA Seal -
NACA Report No. 269: Air Force Tests Of Sperry Messenger Model With Six Sets Of Wings -
NACA received the Collier Trophy in 1929
