Eastman Jacobs, working for NACA, presented his optimized airfoils for high subsonic speeds which led to some of the high performance American aircraft during World War II.
Eastman Jacobs, bekerja untuk NACA, disajikan airfoil nya dioptimalkan untuk kecepatan subsonik tinggi yang menyebabkan beberapa pesawat Amerika performa tinggi selama Perang Dunia II.