NACA research memorandum RM (series). L56L18. Free-flight experience of lateral stability characteristics at low lift of 45° swept-wing rocket-propelled model equipped with nonlinear yaw-rate damper system at Mach numbers from 0.76 to 1.73 [with list of references]; by Charles T. D'Aiutolo, William W. Willoughby, and Lucille C. Coltrane.