Proper noun
NACA
(US) Acronym of National Advisory Committee for Aeronautics.
After Bell Aircraft test pilot "Slick" Goodlin demanded $150,000 ($1.6 million in 2015 dollars) to break the sound "barrier," the USAAF selected Yeager to fly the rocket-powered Bell XS-1 in a NACA program to research high-speed flight. Source: Internet
After they were bested, Ridley and Yeager decided to beat rival Crossfield's speed record in a series of test flights that they dubbed "Operation NACA Weep." Source: Internet
Based on the federal research agency National Advisory Committee for Aeronautics (NACA), it was named the National Aeronautics and Space Administration.sfn It achieved its first goal, an American satellite in space, in 1958. Source: Internet
Bush was appointed to the National Advisory Committee for Aeronautics (NACA) in 1938, and soon became its chairman. Source: Internet
Jackson 1992, p. 3. During the development of the NA-73X, a wind tunnel test of two wings, one using NACA 5-digit airfoils and the other using the new NAA/NACA 45–100 airfoils, was performed in the University of Washington Kirsten Wind Tunnel. Source: Internet
One was a wing designed using laminar flow airfoils which were developed co-operatively by North American Aviation and the National Advisory Committee for Aeronautics (NACA). Source: Internet